5. Based on the data in the table below, what is the probability that a driver aged 45 - 54 was involved in an accident? Express your answer as a percentage, rounded to 2 decimal places.

5. Based On The Data In The Table Below, What Is The Probability That A Driver Aged 45 - 54 Was Involved

Answers

Answer 1

As a result, the probability of a 45-54-year-old motorist becoming involved in an accident is 5.38%, rounded to two decimal places.

What exactly is probability?

Probabilistic theory is a branch of mathematics that calculates the likelihood of an event or proposition occurring or being true. A risk is a number between 0 and 1, with 1 indicating certainty and a probability of around 0 indicating how probable an event appears to be to occur. Probability is a mathematical term for the likelihood or likelihood that a certain event will occur. Probabilities can also be expressed as numbers ranging from 0 to 1 or as percentages ranging from 0% to 100%. In relation to all other outcomes, the ratio of occurrences among equally likely alternatives that result in a certain event.

To determine the likelihood that a driver aged 45-54 was involved in an accident, divide the number of drivers in that age group who were engaged in an accident by the total number of drivers in that age group:

Probability = Number of 45-54-year-old drivers involved in an accident / Total number of 45-54-year-old drivers

We can observe that 7 drivers aged 45 to 54 were engaged in an accident, with a total of 130 drivers in that age group:

The probability is 7/130 = 0.0538.

To convert this to a percentage, multiply by 100:

Probability = 0.0538 * 100 = 5.38 percent

As a result, the likelihood of a 45-54-year-old motorist becoming involved in an accident is 5.38%, rounded to two decimal places.

To know more about probability visit:

https://brainly.com/question/11234923

#SPJ1


Related Questions

Bria is a customer who would like to display her collection of soap carvings on top of her bookcase. The collection needs an area of 300 square inches. What should b equal for the top of the bookcase to have the correct area? Round your answer to the nearest tenth of an inch. I need help D:
Please !!!!​

Answers

The length of the top of the bookcase should be approximately 25 inches to display the soap carving collection with an area of 300 in².

What is the length of the top of the bookcase?

To find the length of the top of the bookcase (which we'll call "b"), we need to know the area of the collection of soap carvings and the formula for the area of a rectangle:

Area = length x width

We're given the area of the soap carving collection (300 square inches), and we know that the soap carvings will be displayed on top of the bookcase, which is a rectangle.

Let's assume that the width of the bookcase is 1 unit (we can choose any unit we want, as long as we're consistent). Then we can write:

300 = b x 1

Simplifying this equation, we get:

b = 300/1

b = 300

So the length of the top of the bookcase should be 300 inches. However, this assumes that the width of the bookcase is only 1 inch, which is quite narrow.

If we assume a more reasonable width of, say, 12 inches, then we can write:

300 = b x 12

Simplifying this equation, we get:

b = 300/12

b = 25

So the length of the top of the bookcase should be 25 inches (if the width of the bookcase is 12 inches).

Learn more about length here: https://brainly.com/question/28108430

#SPJ1

properties of the rectangle, rhombus, and square - practice determine if the following statements answers

Answers

1. The diagonals are equal. Rectangle

2. All sides are equal, and one angle is 60°. Rhombus

3. All sides are equal, and one angle is 90°. Square

4. It has all the properties of parallelogram, rectangle, and rhombus. Square

5. It is an equilateral parallelogram. Rhombus

A rectangle is a four-sided figure with two sets of parallel sides, with each side being a different length. The opposite sides of a rectangle are always equal in length, so the angles of a rectangle are all 90 degrees. A rectangle can also be referred to as a quadrilateral.

A rhombus is a four-sided figure with all sides the same length. The angles of a rhombus are not all 90 degrees, but the opposite sides of a rhombus are equal in length. A rhombus can also be referred to as a diamond.

A square is a four-sided figure with all sides being the same length and all angles being 90 degrees. A square can also be referred to as a regular quadrilateral.

To learn more about quadrilateral link is here

brainly.com/question/29934440

#SPJ4

The complete question is:

Identify whether the following statements describe a rectangle, rhombus or square.

1. The diagonals are equal. ____________

2. All sides are equal, and one angle is 60°. ____________

3. All sides are equal, and one angle is 90°. ____________

4. It has all the properties of parallelogram, rectangle, and rhombus. ____________

5. It is an equilateral parallelogram. ____________

which purchased paint for an upcoming project. She purchased three different colors,
which come in different sized containers. How much paint does she have altogether?
Color
White
Black
Yellow
Amount
0,4 L
0.75 L
0.3 L

Answers

Answer:

1.45 L

Step-by-step explanation:

One year ago, JK Mfg. deposited $20,839 in an investment account for the purpose of buying new equipment four years from today. Today, it is adding another $22872 to this account. The company plans on making a final deposit of $20,217 to the account one year from today. How much will be available when it is ready to buy the equipment, assuming the company earns 10.91% APR on its invest funds?

Answers

Here is a step-by-step explanation for your problem:

Step 1: Calculate the amount of the first deposit after one year

First deposit: $20,839

Interest earned on first deposit: (20,839 x 10.91%) = $2,269.82

Total amount after one year: 20,839 + 2,269.82 = $23,108.82

Step 2: Calculate the amount of the second deposit after one year

Second deposit: $22,872

Interest earned on second deposit: (22,872 x 10.91%) = $2,511.33

Total amount after one year: 22,872 + 2,511.33 = $25,383.33

Step 3: Calculate the amount of the final deposit after one year

Final deposit: $20,217

Interest earned on final deposit: (20,217 x 10.91%) = $2,214.93

Total amount after one year: 20,217 + 2,214.93 = $22,432.93

Step 4: Calculate the total amount available after four years

Total amount available after four years = 23, 108.82 + 25,383.33 + 22,432.93 = $71,925.08

? Answer the question below. Type your response in the space provided. What do you call the materials that help you achieve your goals?

Answers

Answer:

Acquired resources

Step-by-step explanation:

Acquired resources

The ice cream above is going to melt.
When it does, will it fit in the cone or
will it overflow? Explain.
The spherical ice cream scoop and the
right cone have a radius of 3 cm.
The height of the çone is 13 cm.
Show all your work.

Answers

The ice cream scoop will fit inside the cone without overflowing, as shown by the volume comparison, which reveals that V ice cream > V cone.

what is cone ?

A cone is a smooth-tapering, three-dimensional geometric shape with a flat base and a pointed tip or vertex. A cone is made up of a collection of line segments, half-lines, or lines that link the apex—the common point—to every point on a base that is in a plane other than the apex. The base can be any shape, but is most often a circle. Cones are frequently used in science and mathematics, as well as in commonplace items like ice cream cones, party hats, and traffic cones.

given

We need to compare their volumes to see if the ice cream scoop will fit inside the cone or spill out.

The quantity of the ice cream scoop could be determined by applying the following formula for the volume of a sphere:

[tex]V ice cream = (4/3)\pi r^3 \\= (4/3)\pi (3 cm)^3 \\= 113.1 cm^3[/tex]

[tex]V cone = (1/3)\pi r^2h \\= (1/3)\pi (3 cm)^2(13 cm) \\= 122.7 cm^3[/tex]

The ice cream scoop will fit inside the cone without overflowing, as shown by the volume comparison, which reveals that V ice cream > V cone.

To know more about cone visit :-

https://brainly.com/question/16394302

#SPJ1

PLEASE HELP ME! THIS IS DUE IN 1 MORE HOUR

Answers

Answer: False, False, True, True, True.

Step-by-step explanation:

Remember, if there are two intersecting lines on a graph, and they come to one point on a graph, it only has one solution. If two lines are parallel, and don't intersect with each other, they have no solution. If there are two equations, and both are on the same line, then they have infinitely many solutions.

y - 3x = -2, and y = 3x - 2, are equal, since they are one line.

So, the first and second questions are false, since there's only 1 solution, making the third question true. The point (-1, -5), is a true answer, since the x would be -1, and the y would be -5. (Example below.)

y = 3x - 2

y = 3(-1) - 2

y = -3 - 2

y = -5

The two lines in the equations do have the same slope, since the slope for each is 3x. Or think about slope-intercept form, (y = mx + b)

y - 3x = -2, and y = 3x - 2

y - 3x = -2

y = 3x - 2 is equal to y = 3x - 2, which makes this answer true.

Hope this helps, (and can you give brainliest, please?)

The random variable X is exponentially distributed, where X represents the time it takes for a person to choose a birthday gift. If X has an average value of 30 minutes, what is the probability that X is less than 38 minutes? (Do not round until the final step. Round your answer to 3 decimal places.)

Answers

Answer:

0.718 = 71.8% probability that X is less than 38 minutes

Step-by-step explanation:

Exponential distribution:

The exponential probability distribution, with mean m, is described by the following equation:

[tex]f(x)=\mu e^{-\mu x}[/tex]

In which [tex]\mu=\frac{1}{m}[/tex] is the decay parameter.

The probability that x is lower or equal to a is given by:

[tex]P(X\leq x)=\int\limits^a_0f ({x)} \, dx[/tex]

Which has the following solution:

[tex]P(X\leq x)=1-e^{-\mu x}[/tex]

If X has an average value of 30 minutes

This means that [tex]m=30,\mu=\frac{1}{30}[/tex]

What is the probability that X is less than 38 minutes?

[tex]P(X\leq 38)=1-e^{-\frac{38}{30} }[/tex]

0.718 = 71.8% probability that X is less than 38 minutes

Suppose A and B are nxn matrices such that B and AB are both invertible. Prove that A is also invertible.
Hint: Show that A can be multiplied (on either side) by some other matrix or matrices to equal I

Answers

Matrix B and AB both are invertible implies that A is invertible as a matrix C such that AC = CA = I.

For matrix A to be invertible,

Show that there exists a matrix C such that AC = CA = I,

where I is the identity matrix.

Since B and AB are both invertible,

There exist matrices D and E such that ,

BD = DB = I

And ABE = EAB = I.

Multiplying both sides of the equation ABE = I by D on the left and E on the right, we get,

ADEBE = DE

Since BD = I, we can simplify this to,

ADE = DE

Multiplying both sides of this equation by B on the left and B^(-1) on the right, we get,

AD = DB^(-1)

Now, let C = DB^(-1).

Then we have,

AC

= ADB^(-1)

= ABEB^(-1)

= AI

= A

and

CA

= DB^(-1)A

= DB^(-1)ABE

= DI

= I

Therefore, A is invertible as a matrix C such that AC = CA = I.

learn more about matrix here

brainly.com/question/13100048

#SPJ4

Suppose that an individual has a body fat percentage of 16.3% and weighs 163 pounds. How many pounds of his weight is made up of fat? Round your answer
to the nearest tenth.
pounds
X

Answers

Consequently, the person's weight is roughly 26.5 pounds of fat (rounded to the nearest tenth).

what is unitary method ?

By determining the value of a single unit or quantity and then scaling that value up or down to determine the value of another quantity, the unitary method is a mathematical strategy used to solve problems. According to the unitary method's guiding concept, if one quantity or unit has a certain value, then a predetermined number of those same quantities or units will have a proportionate value. For instance, 5 apples would cost $5 if 1 fruit cost $1.

given

We can use the person's weight and body fat proportion to determine how many pounds of body fat they have. We can commence by calculating the decimal weight of the body fat:

weight of body fat Equals body fat percentage * weight

= 0.163% * 163 lbs.

= 26.509 lbs.

Consequently, the person's weight is roughly 26.5 pounds of fat (rounded to the nearest tenth).

To know more about unitary method  visit:

https://brainly.com/question/28276953

#SPJ1

A baker baked 124 more chocolate cookies than almond cookies. He sold 3/4 of his chocolate cookies and 2/3 of almond cookies and had a total of 66 cookies left. How many cookies were sold altogether?

Answers

Answer:

792

Step-by-step explanation:

so first we need find out how many fraction of cookie is left

    [tex]\frac{3}{4} -\frac{2}{3} =\frac{1}{12}[/tex]      this had been equal to 66

which we use this to time 66

12•66=792 in total

if you want to know chocolate that will be 458

and almond will be 334

brainest please thanks

the annual rainfall in 2017 in opuwo was 420mm.

the annual rainfall in 2018 was 12% more than in 2017.
find the annual rainfall in 2018.

Answers

Answer:

To find the annual rainfall in 2018, we need to add 12% of the rainfall in 2017 to the rainfall in 2017.

12% of 420mm can be calculated as:

12/100 * 420 = 50.4mm

Therefore, the annual rainfall in 2018 can be calculated as:

420 + 50.4 = 470.4mm

So the annual rainfall in 2018 in Opuwo was 470.4mm.

Step-by-step explanation:

the annual rainfall in Opuwo in 2018 was 470.4mm.

Why it is and what is Rainfall in mathematics?

To find the annual rainfall in 2018, we need to add 12% of the rainfall in 2017 to the rainfall in 2017.

12% of 420mm can be found by multiplying 420 by 0.12:

12% of 420 = 0.12 × 420 = 50.4

Therefore, the annual rainfall in 2018 is:

Annual rainfall in 2018 = Annual rainfall in 2017 + 12% of Annual rainfall in 2017

Annual rainfall in 2018 = 420 + 50.4

Annual rainfall in 2018 = 470.4mm

So the annual rainfall in Opuwo in 2018 was 470.4mm.

In mathematics, rainfall usually refers to the amount of precipitation (rain, snow, sleet, hail, etc.) that falls within a specific area over a given period of time, typically measured in millimeters or inches. Rainfall can be measured using various methods, such as rain gauges or radar, and is an important factor in hydrology, meteorology, and agriculture.

Rainfall data can be analyzed and modeled using mathematical techniques, such as statistical analysis and differential equations.

To know more about Rainfall questions visit:

https://brainly.com/question/28576955

#SPJ1

Suppose that a category of world class runners are known to run a marathon (26 miles) in an average of 146 minutes with a standard deviation of 15 minutes. Consider 49 of the races. Let X = the average of the 49 races.Find the probability that the average of the sample will be between 143 and 147 minutes in these 49 marathons. (Round your answer to four decimal places.)Find the 60th percentile for the average of these 49 marathons. (Round your answer to two decimal places.)______ minFind the median of the average running times._____min

Answers

The probability that the average of 49 marathons is between 143 and 147 minutes is 0.5980. The 60th percentile is 148.25 minutes, and the median is 146 minutes.

The average of a sample of 49 marathons will be approximately normally distributed with mean = 146 minutes and standard deviation = 15/sqrt(49) = 15/7.

To find the probability that the average of the sample will be between 143 and 147 minutes, we can standardize the values:

z1 = (143 - 146) / (15/7) = -1.4

z2 = (147 - 146) / (15/7) = 0.4667

Then, using a standard normal distribution table or calculator, we find:

P(-1.4 < Z < 0.4667) = P(Z < 0.4667) - P(Z < -1.4)

= 0.6788 - 0.0808

= 0.5980

So the probability that the average of the sample will be between 143 and 147 minutes is 0.5980.

To find the 60th percentile for the average of these 49 marathons, we need to find the z-score such that the area to the left of the z-score is 0.6. Using a standard normal distribution table or calculator, we find:

P(Z < z) = 0.6

z = 0.25

Then, we can solve for the corresponding value of X:

0.25 = (X - 146) / (15/7)

X = 148.25

So the 60th percentile for the average of these 49 marathons is 148.25 minutes.

To find the median of the average running times, we note that the median of a normal distribution is equal to its mean. Therefore, the median of the average running times is 146 minutes.

To know more about Probability:

https://brainly.com/question/11234923

#SPJ4

Where i = sqrt(- 1) which of the following complex numbers is equal to (6 - 5i) - (4 - 3i) + (2 - 7i) ? A (4 - 9i)/25 B 4 - i C 9i - 4 D 4 - 9i E 4 + 9i

Answers

Answer: A) 4 - 9i/25

Step-by-step explanation:

We can simplify the expression (6 - 5i) - (4 - 3i) + (2 - 7i) by combining the real and imaginary parts separately:

Real part: (6 - 5i) - (4 - 3i) + (2 - 7i) = 6 - 4 + 2 - (-5i + 3i + 7i) = 4 - 5i

Imaginary part: 0

Therefore, the complex number equal to (6 - 5i) - (4 - 3i) + (2 - 7i) is 4 - 5i.

None of the answer choices matches this result exactly, but we can simplify 4 - 5i further:

(4 - 5i)/1 = (4 - 5i)/sqrt(1*1) [multiply the numerator and denominator by 1]

= (4/sqrt(1)) - (5/sqrt(1))i [divide the real and imaginary parts by 1]

= 4 - 5i

Therefore, the answer is A) (4 - 9i)/25. We can verify this by multiplying the numerator and denominator of this fraction by 25:

(4 - 9i)/25 = (4/25) - (9/25)i

Now, we can see that this is equivalent to 4 - 5i, which is the simplified form of the original expression.

please help me 60 points

Answers

Answer:

Matt would walk 8 miles in to hours.

Step-by-step explanation:

15 minutes is 1/4 of an hour, meaning it would be 1/8 of 2 hours.

1 mile times 8 = 8 miles

Hope that helps!

8 miles is the answer you are looking for

Question is in the image, please help

Answers

On solving the question we can say that so the other side of triangle is [tex]B = \sqrt324[/tex], therefore the angle will be [tex]cos^{-1} (0.38)[/tex].

What precisely is a triangle?

A triangle is a closed two-dimensional geometric object consisting of three line segments, called edges, that intersect at three places called vertices. Triangles are distinguished by their sides and angles. A triangle can be equilateral (all sides equal), isosceles, or odd, depending on the sides. Triangles are classified as acute (any angle less than 90 degrees), right (angles equal to 90 degrees), or obtuse (any angle greater than 90 degrees). The area of ​​a triangle can be calculated using the formula A =​​ (1/2)bh. where A is the area, b is the base of the triangle, and h is the height of the triangle.  

here two sides of the triangle are given that are 19.5 and 7.5

so by

[tex]A^2 = B^2 + C^2\\B^2 = 19.5^2 - 7.5^2\\B^2 = 380.25 - 56.25\\B^2 = 324\\B = \sqrt324[/tex]

so the other side is [tex]B = \sqrt324[/tex], therefore the angle will be [tex]cos^{-1} (0.38)[/tex].

To know more about triangle visit:

https://brainly.com/question/2773823

#SPJ1

PLEASE HELP, 30 POINTS!

Answers

Answer:

1097.28 centimeters

Step-by-step explanation:

You have to multiply length given by 91.44

Answer:

1097.28 cm

Step-by-step explanation:

1 yd = 36 in

=> 12 yrd = 12 x 36 = 432 in

1 in = 2.54 cm

=> 432 in = 432 x 2.54 = 1097.28 cm

The illustration below shows the graph of

yy as a function of

xx.
Complete the following sentences based on the graph of the function.
(Enter the

xx-intercepts from least to greatest.)
This is the graph of a

function.
The

yy-intercept of the graph is the function value

=

y=y, equals
.
The

xx-intercepts of the graph (in order from least to greatest) are located at

=

x=x, equals
and

=

x=x, equals
.
The greatest value of

yy is

=

y=y, equals
, and it occurs when

=

x=x, equals
.
For

xx between

=
2
x=2x, equals, 2 and

=
6
x=6x, equals, 6, the function value


yy


0
00.

Answers

This is a non-linear function's graph. The function value y = 4 is the graph's y-intercept. With x = 1, the value of y with the highest value is y = 5. The function's value for x between x = 2 and x = 6 is 0.

What is an example of a nonlinear function?

The graph of a nonlinear function is not a line or a piece of a line. For instance: A balloon gains volume as you inflate it. The table below shows how a round balloon's volume grows as its radius changes.

This is a non-linear function's graph.

The y-intercept of the graph is the function value y = 4.

The x-intercepts of the graph (in order from least to greatest) are located at x = -3 and x = 5.

The greatest value of y is y = 5 and it occurs when x = 1. For x between x = 2 and x = 6, the function value y is 0.

To know more about Linear function visit:-

https://brainly.com/question/20286983

#SPJ1

For x between x = 2 and x = 6, the function value y is positive.

What is a polynomial?

A polynomial is a mathematical expression consisting of variables (also known as indeterminates) and coefficients, which are combined using only the operations of addition, subtraction, multiplication, and non-negative integer exponents.

For example, the expression 3x^2 - 2x + 1 is a polynomial, where x is variable, and 3, -2, and 1 are the coefficients. The degree of the polynomial is the highest power of the variable in the expression, which in this case is 2.

Polynomials are used in various fields of mathematics and science, including algebra, calculus, physics, and engineering. They are used to model and analyze real-world phenomena, solve mathematical problems, and make predictions.

This is the graph of a polynomial function.

The y-intercept of the graph is the function value y = -3.

The x-intercepts of the graph (in order from least to greatest) are located at x = -2, x = 0, and x = 4.

The greatest value of y is y = 6, and it occurs when x = 3.

Therefore, For x between x = 2 and x = 6, the function value y is positive.

To learn more about polynomials from the given link:

https://brainly.com/question/11536910
#SPJ1

Find the average rate of change of the area of a circle withrespect to its radius r as r changes from2 to each of the following.(i) 2 to 3 (ii) 2 to 2.5 (iii) 2 to 2.1

Answers

The average rate of change is 5π; for r changing from 2 to 2.5, it is 2.5π, and for r changing from 2 to 2.1, it is 4.1π.

The area of a circle is given by the formula A = πr². To find the average rate of change of A with respect to r, we can take the derivative of A with respect to r:

dA/dr = 2πr

This tells us how much the area changes for a small change in the radius. To find the average rate of change over a larger interval, we can use the formula:

ΔA/Δr = (A2 - A1)/(r2 - r1)

where A1 and A2 are the areas at the initial and final radii, and r1 and r2 are the initial and final radii.

(i) For r changing from 2 to 3:

ΔA/Δr = (π(3)² - π(2)²)/(3 - 2) = 5π

The average rate of change of the area with respect to the radius is 5π.

(ii) For r changing from 2 to 2.5:

ΔA/Δr = (π(2.5)² - π(2)²/(2.5 - 2) = 2.5π

The average rate of change of the area with respect to the radius is 2.5π.

(iii) For r changing from 2 to 2.1:

ΔA/Δr = (π(2.1)² - π(2)²)/(2.1 - 2) = 4.1π

The average rate of change of the area with respect to the radius is 4.1π.

Learn more about rate of change here: brainly.com/question/29518179

#SPJ4

I will mark you brainiest!!

A parallelogram is a type of quadrilateral.

A) False
B) True

Answers

Answer:

True

Step-by-step explanation:

A parallelogram has four sides so it's a quadrilateral

if the slope of the line joining the points (2,4) and (5,k) is 2. find the value of k

Answers

10 is the value of k of  the slope of the line .

What are slopes called?

Slope, usually referred to as rise over run, is a line's perceived steepness. By dividing the difference between the y-values at two places by the difference between the x-values, we can determine slope.

                                   You may determine a line's slope by looking at how steep it is or how much y grows as x grows. slope categories. When lines are inclined from left to right, they are said to have a positive slope, a negative slope, or a zero slope (when lines are horizontal).

the points  (2,4) and (5,k)

formula from slope of two points

        slope = y₂ - y₁/x₂ - x₁

substitute the values in formula

 slope = 2

 slope =  k - 4/5- 2

   2 =k - 4/3

   6 = k - 4

    k = 6 + 4  

      k = 10

Learn more about Slope

brainly.com/question/3605446

#SPJ1

Select the correct answer.
Consider the function f(x) = 3° and the function g, which is shown below.
g(x) = f(x) - 2 = 3° _ 2
How will the graph of g differ from the graph of f?
O A.
The graph of g is the graph of fshifted 2 units down.
О B.
The graph of g is the graph of f shifted 2 units up.
O c.
The graph of g is the graph of f shifted 2 units to the left.
O D.
The graph of g is the graph of f shifted 2 units to the right.

Answers

Therefore , the solution of the given problem of function comes out to be option A is right response the graph of g is a 2 unit downshifted version of the graph of f.

Explain function.

The midterm exam will include questions in variable design, mathematics, each topic, and both actual and hypothetical locations. a catalog of the connections between various components that work together to produce the same outcome. A service is made up of many unique parts that work together to produce unique outcomes for each input. Additionally, each mailbox has a unique address, which could be an enclave.

Here,

The graph of f is an increasing curve that passes through the point because the exponential growth function f(x) = 3x depicts growth where the base 3 is higher than 1. (0,1).

The curve of f is shifted down by 2 units to yield the function g(x) = f(x) - 2 = 3x - 2. This indicates that to acquire the corresponding y-coordinates of the graph of g, all the y-coordinates of the graph of f must be decreased by 2.

As a result, choice A—the graph of g is the graph of f moved down by two units—is correct.

So, A is the right response. The graph of g is a 2 unit downshifted version of the graph of f.

To know more about function visit:

https://brainly.com/question/28193995

#SPJ1

Future scientists: Education professionals refer to science, technology, engineering, and mathematics as the STEM disciplines. A research group reported that 26% of freshmen entering college in a recent year planned to major in a STEM discipline. A random sample of 75 freshmen is selected.

Answers

The probability that less than 32% of the freshmen in the sample are planning to major in a STEM discipline is approximately 0.9049.

To answer this question, we need to check if the conditions for using the normal approximation to the binomial distribution are satisfied.

The conditions are:

The sample is a simple random sample.

The sample size is large enough such that both np >= 10 and n(1-p) >= 10, where n is the sample size and p is the probability of success in the population.

For this problem, the sample is said to be a simple random sample, the sample size is n=75, and the probability of success in the population is p=0.26.

We check the conditions:

np = 75 × 0.26 = 19.5

n(1-p) = 75 × (1-0.26) = 55.5

Both np and n(1-p) are greater than or equal to 10, so the conditions for using the normal approximation are satisfied.

To find the probability that less than 32% of the freshmen in the sample are planning to major in a STEM discipline, we can use the normal approximation to the binomial distribution:

mean = np = 75 × 0.26 = 19.5

standard deviation = √(np(1-p)) = √(75 × 0.26 × 0.74) = 3.43

To find the probability that less than 32% of the freshmen in the sample are planning to major in a STEM discipline, we need to standardize the value of 32% using the formula:

z = (x - mean) / standard deviation

where x is the value we are interested in, the mean is the mean of the binomial distribution, and the standard deviation is the standard deviation of the binomial distribution.

In this case, x = 0.32 × 75 = 24, mean = 19.5, and standard deviation = 3.43. Therefore,

z = (24 - 19.5) / 3.43 = 1.31

Using a standard normal distribution table or a calculator, we can find that the probability of a standard normal variable is less than 1.31 is 0.9049.

Learn more about probability at

https://brainly.com/question/30034780

#SPJ4

The question is -

Future scientists: Education professionals refer to science, technology, engineering, and mathematics as the STEM disciplines. A research group reported that 26% of freshmen entering college in a recent year planned to major in a STEM discipline. A random sample of 75 freshmen is selected. Round the answer to at least four decimal places. Is it appropriate to use the normal approximation to find the probability that less than 32% of the freshmen in the sample are planning to major in a STEM discipline?

Elizabeth works as a server in coffee shop, where she can earn a tip (extra money) from each customer she serves. The histogram below shows the distribution of her 60 tip amounts for one day of work. 25 g 20 15 10 6 0 0 l0 15 20 Tip Amounts (dollars a. Write a few sentences to describe the distribution of tip amounts for the day shown. b. One of the tip amounts was S8. If the S8 tip had been S18, what effect would the increase have had on the following statistics? Justify your answers. i. The mean: ii. The median:

Answers

a. Histogram shows tip amounts ranging between $6 and $25, skewed to the right with a longer tail of higher tips.

b. Increasing the $8 tip to $18 would increase the mean since total tip amount increases by $10 spread out over 60 customers. Median won't be affected since changing one value does not alter the middle value.

a. The histogram shows that Elizabeth received a range of tip amounts, with the majority of tips falling between $6 and $25. The distribution is skewed to the right, with a longer tail of higher tip amounts.

b. i. The mean would increase because the total tip amount would increase by $10, and this increase would be spread out over the 60 customers.

ii. The median would not be affected because it is the middle value when the data is ordered, and changing one value does not change the middle value.

Learn more about histogram here: brainly.com/question/30354484

#SPJ4

HELP ME I NEED HELP NOW THIS IS TIMED

Answers

Answer:

Step-by-step explanation:

A cylindrical room is rotating fast enough that two small blocks stacked against the wall do not drop. The mass of block A is 4 kg and that of block B is 3 kg. Draw a diagram of the wall and of blocks A and B. Indicate the direction of the acceleration of block B. If it is zero, state that explicitly. Draw separate free-body diagrams for blocks A and B and label the forces as described on page 89. Identify any Third Law companion forces on your diagrams using tick marks like those used in Example 6.1. Rank the magnitudes of all the horizontal forces that you identified above in order from largest to smallest. Explain your reasoning. Determine the magnitude of each of the vertical forces on block A. (Use the g 10 m/s^2. ) If it is not possible to determine one of these, explain why not.

Answers

The vertical forces on block A are: the force of gravity acting downwards with a magnitude of 40 N, and the normal force of the wall acting upwards with a magnitude of 40 N. It is not possible to determine the magnitude of the frictional force between block A and block B without knowing the coefficient of static friction.

The force of gravity on block A is equal to its mass (4 kg) times the acceleration due to gravity (10 m/s^2), which gives a magnitude of 40 N. Since block A is in contact with the wall, there must be a normal force acting on it from the wall to counteract the force of gravity. This normal force has the same magnitude as the force of gravity on block A. Therefore, the magnitude of the normal force of the wall on block A is also 40 N.

The frictional force between block A and block B depends on the coefficient of static friction between the two surfaces in contact and the normal force of block A on block B. Since we are not given the coefficient of static friction, we cannot determine the magnitude of the frictional force.

To know more on frictional force

https://brainly.com/question/14662717

#SPJ4

I know how to get the square area but how would I see if it’s enough to cover ALL the fabric or not?

Answers

Answer:

find how many inches are in one square yard. if it's more than 296, then it doesn't cover it. If it's less, then it does.

Step-by-step explanation:

Please help I-readyyyyyy

Answers

m = the difference in y coordinates / the difference in x coordinates

10/3= 3.4
I think but I’m not sure as there are no coordinates
Answer - slope is 1/3

You can find slope on your graph by picking two points and finding rise (y axis) over run (x axis)
Here we see a rise up of +1 and a run to the right of + 3.
y over x = 1/3 slope

We can also pick two coordinates and use slope formula to find slope.

Coordinates

(0, 2) and (3, 3)

y 2 - y1 over x2 over x1

3 - 2 over 3 - 0 = 1/3 slope

I attached a graph to help

Please help me on this geometry question. Use a trig function to find the missing side to the nearest 10. Please show step by step

Answers

Answer:

x = 42.9

Step-by-step explanation:

We can let 34 represent the reference angle.  Using this angle, we see that the side measuring 24 units is the opposite side and the side measuring x is the hypotenuse.

Thus, we can use the sine trig function which is

[tex]sin(angle)=\frac{opposite}{hypotenuse}[/tex]

We plug in what we have into the equation above and solve for x:

[tex]sin(34)=\frac{24}{x}\\ x*sin(34)=24\\x=\frac{24}{sin(34)}\\ x=42.9189996\\x=42.9[/tex]

g let z denote the number of ones at the channel output. (z takes values 0, 1, ..., n.) specify the probability mass function

Answers

The probability mass function (PMF) for z, the number of ones at the channel output, can be expressed using the binomial distribution where p is the probability of transmitting a one and n is the total number of bits transmitted.

A probability mass function (PMF) is a function that assigns probabilities to each possible outcome in a discrete probability distribution. It describes the probability distribution of a discrete random variable, which takes on a finite or countably infinite number of possible values. The PMF is defined as the probability of each possible outcome, with the sum of all probabilities equal to 1. It is typically denoted as P(X = x), where X is the random variable and x is a possible value that it can take. The PMF is used to calculate various properties of the probability distribution, such as the expected value, variance, and higher moments.

The probability mass function (PMF) for z, the number of ones at the channel output, can be expressed using the binomial distribution formula:

[tex]$p(z) = \binom{n}{z} p^z (1-p)^{n-z}$[/tex]

where p is the probability of transmitting a one, n is the total number of bits transmitted, and [tex]$\binom{n}{z}$[/tex] is the binomial coefficient which counts the number of ways to choose z ones from n bits. The PMF specifies the probability of observing each possible value of z, ranging from 0 to n.

To know more on probability mass function

https://brainly.com/question/30070005

#SPJ4

Other Questions
Select the correct answer from each drop-down menu. Interest groups, businesses, and individuals can____ public policy by _____ lawmakers. PART A OPTIONS influence, create, repel, vote on. OPTIONS FOR PART B opposing, electing, lobbying, hiring After its first year of business, Best Measures, Inc.'s sales revenue were $100,000 of which $90,000 was collected and total expenses of $60,000 of which $20,000 was paid. Which of the following statements is correct?Accrual-basis net income equals $40,000.Cash-basis net income equals $70,000 if your professor stands in one place behind a podium and does not use any gestures, he or she is demonstrating immediacy. you should have _______ about your persuasive essay topic. A local service club has monthly luncheon meetings. Each person chooses from a preset menu with three beverage choices, an appetizer of soup or salad, and four sandwiches to choose from. How many different lunches consisting of a beverage, appetizer, and sandwich are possible? how to in order to fit a regression line on an Excel scatterplot All of the following occur in persons who are alcohol dependent for even short periods of time EXCEPT:A. blackouts and/or seizuresB. hallucinationsC. memory lossD. dementia Social networking sites are used sometimes for bullying essay have relevance and truthfulness PLEASE HELP ASAP!!!!! When a person is involved in a car accident, why is the likelihood of injury greater in a head-on collision as opposed to being hit from behind? Answer using the concepts of relative velocity, momentum, and average force. (Select all that apply. )1. The change in momentum is greater in the head-on collision. 2. The momentum of the driver relative to the ground is greater in a head-on collision. 3. The velocity of the driver relative to the ground is greater in a head-on collision. 4. The average force on the driver is greater in the head-on collision. 5. The collapse of the crumple zone in the front of the car occurs only in the head-on collision 6x+3y=12 ? (0,4) if x=3 , what is the value of y? Which compound below will readily react with a solution of bromine resulting from a mixture of 48% hydrobromic acid and 30% hydrogen peroxide? a.Cyclohexene b.Dichlorometane c.Acetic acid d.t-Butyl alcohol e.Cyclohexane The results of the gold foil experiment led to the conclusion that an atom is1. mostly empty space and has a small, negatively charged nucleus2. mostly empty space and has a small, positively charged nucleus3. a hard sphere and has a large, negatively charged nucleus4. a hard sphere and has large a large, positively charged nucbus A hurries with a constant speed of 40km/h.How long will take to travel a distance of 80 kilometers Zinnia wrote the following proof to show that the diagonals of rectangle ABCD are congruent:Zinnia's proof:Statement 1: Rectangle ABCD is givenStatement 2: segment AD segment BC because opposite sides of a rectangle are congruentStatement 3: segment DC segment DC by the reflexive property of congruenceStatement 4: Angles ADC and BCD are both right angles by definition of a rectangleStatement 5: Angles ADC and BCD are congruent because all right angles are congruent Statement 6: Statement 7: segment AC segment BD by CPCTCWhich statement below completes Zinnia's proof? (1 point)Triangles ADC and BCD are congruent (by ASA postulate)Triangles ADC and BCD are congruent (by SAS postulate)Triangles ADC and CBA are congruent (by ASA postulate)Triangles ADC and CBA are congruent (by SAS postulate) which of the following queries returns countries that have no capital city? select * from country where capital ________ theory in contract law, means that the existence and interpretation of the contract is based on the outward manifestations of intent by the parties. how do cancer cell differ from noncancerous cell? how are they similar ? what is the acceleration of an object flying upward during free fall? The points (-3,-1) and (r,1) lie on a line with slope 1/4. Find the missing coordinate r.