The mass of the apples harvested from a particular orchard follows a nearly normal distribution with a mean of 94 grams and a standard deviation of 27 grams. What size sample is needed to get a standard error of 3

Answers

Answer 1

The sample size needed to get a standard error of 3 is 81

How to determine the sample size?

The given parameters are:

Mean = 94Standard deviation = 27Standard error = 3

The standard error is calculated using:

[tex]SE = \frac{\sigma}{\sqrt n}[/tex]

So, we have:

[tex]3= \frac{27}{\sqrt n}[/tex]

Divide both sides by 3

[tex]1= \frac{9}{\sqrt n}[/tex]

Square both sides

1 = 81/n

Multiply both sides by n

n = 81

Hence, the sample size needed to get a standard error of 3 is 81

Read more about standard errors at:

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Related Questions

Two of my digits are odd, but my ones digit is even.
The sum of my digits is 16.
I am between 520 and 570, and I am NOT 556.
What am I?

Answers

Answer:

the correct answer is 565

I believe the answer your looking for is 565

Find the value:

cos -1 ( - √3/2 )

Answers

Answer:

The value is undefined.

solve the equation..​

Answers

Answer:

y=252/5=50.4

Step-by-step explanation:

[tex](A)\ 9y-252=4y\\(B)\ 5y=252\\(C)\ y= \frac{252}5 = 50.4[/tex]

In step A we multiplied both sides by the least common multiple of the denominators, in order to deal with only integers for as long as possible.

In step B you subtract 4y and add 252 to both sides ("moving them on the other end of the equal sign").

In step C you finally divide by 5 to isolate y.

social media influence communication​

Answers

Answer:

what whats the question so I can answer

How to solve 18 - 1 and 7/16 - 7/12

Answers

Answer:

- 7/48, decimal form 0.145 and 17

Step-by-step explanation:

A pair of jeans originally cost $48, but its price decreased by 25%. What is the new price?

Answers

Answer:

$36

Step-by-step explanation:

$48 × (100 - 25)% = $36

What is the slope of the line on the graph

Answers

Answer:

slope = -3

Step-by-step explanation:

slope = -3

Answer:

-1/3

Step-by-step explanation:

we know ,

[tex]m=\frac{y_{2}-y_{1}}{x_{2}- x_{1} }[/tex]

Here , m= slope

(x1,y1) , (x2,y2) are point of the slope

[tex]m=\frac{6-2}{-6-6 }[/tex]

or, [tex]m=\frac{4}{-12 }[/tex]

so , m= -1/3

How many bags can you purchase with 20$

Answers

Answer:

The answer is 3/5=x/20

If you can buy 3 bags for $5 then you can buy 12 bags with $20

Step-by-step explanation:

Basically divide 20 by 5

Then you multiply the answer to 20/5 which is 4 by 3 to get x

Which would be 12

the price of a 2-pack shopkin should not be more then 4$. choose an inequality for this situation

Answers

The required inequality for the price of a 2-pack shopkin should not be more than $4 is  ≤ 4.

The price of a 2-pack shopkin should not be more than $4. Inequality in the situation is to be determined.

What is inequality?

Inequality can be defined as the relation of an equation containing the symbol of ( ≤, ≥, <, >) instead of the equal sign in an equation.


The price of a 2-pack shopkin should not be more than $4.
Let the price of 2 - pack shopkin is x and it should not be more than $4 it impise the price of 2 pack shopkin canno be set up more than 4 but it could be 4 or less so, Inequality for 4 or less of price of 2 pack shopkin is given by,
x  ≤ 4.


Thus, the required inequality for the price of a 2-pack shopkin should not be more than $4 is  ≤ 4.

Learn more about inequality here:

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Find the total surface area of the following cone. Leave your answer in terms of a. 2V3 cm 2 cm SA = [ ? ] cm Hint: Surface Area of a Cone = tre + B Where e = slant height, and B = area of the base ​

Answers

Answer: the answer is

90

                                                                           

Answer:

12

Step-by-step explanation:

4. Write an equation that represents the line graphed below.
CCP

Answers

Represents the line graphed

Answer:

(2,-6)

Hey my answer could be wrong but i checked so i hope you think this is helpful!



I need help on this problem

Answers

Answer:

D

Step-by-step explanation:

The y-intercept of the line whose equation is 5+y=2x

Answers

Answer:

(0, -5)

Step-by-step explanation:

We need to isolate y.

5+y=2x -- Subtract 5 from 5+y

y = 2x - 5

The image connected is what the graph would look like.

Answer:

y-int = (0,-5)

Step-by-step explanation:

Substitute 0 for x and solve to find the y-intercept.

[tex]5+y=2(0)\\ 5+y=0\\y=0-5\\y=-5[/tex]

PLS HELP AGIAN if u guess just for points ill report you question in the picture

Answers

Answer:

[tex]\sf y = \dfrac{17}{2}[/tex]

explanation:

[tex]\sf 7y-4=9y+13-4y[/tex]

collect variables in one side

[tex]\sf 7y -9y +4y = 13 +4[/tex]

simplify by addition and subtraction

[tex]\sf 2y = 17[/tex]

divide both sides by 2

Hence, ,final answer:

[tex]\sf y = \dfrac{17}{2}[/tex]

Answer:

A.   y = 17/2

Step-by-step explanation:

Given equation:

7y - 4 = 9y + 13 - 4y

Collect like terms:

7y - 4 = 9y - 4y + 13

Combine like terms:

7y - 4 = 5y + 13

Subtract 5y from both sides:

2y - 4 = 13

Add 4 to both sides:

2y = 17

Divide both sides by 2:

y = 17/2

Solve 3x^3 - 12x = 0 by factoring

Please help me I can’t solve it. Please!!

Answers

Answer:

x = 0, 2, -2

Step-by-step explanation:

3x^3 - 12x = 0

3x ( x^2 - 4 ) = 0

3x = 0

x = 0

x^2 - 4 = 0

( x -2 ) ( x + 2 ) = 0

x -2 = 0

x = 2 , x + 2 = 0

               x = -2

The answer is x = 0, -2, 2

Find the value of x that will make A||B

Answers

Answer:

x = 20

Step-by-step explanation:

When two parallel lines are intersected by a transversal, then the alternate exterior angles are congruent.

5x + 20 = 3x + 60

Now subtract 3x form both sides

5x - 3x + 20 = 3x - 3x + 60

   2x   + 20  = 60

Subtract 20 from both sides

 2x + 20 -20 = 60 - 20

              2x  = 40

Divide both sides by 2

x = 40/2

x = 20

(5x7) + (5x9) = 5x (7+?

Answers

Answer:

9

Step-by-step explanation:

this is because it is 9 and it could be 9

Answer:

First let's find what (5x7) + (5x9) equals;

(5x7) + (5x9)

35 + 45

= 80

Now 80 has to equal to;

5 x (7 + y) ( where 'y' is our unknown number)

So we set up the equation:-

80 = 5 x (7 + y)

80 = 35 + 5y

-35      -35

45 = 5y

/5    /5

9 = y

Let's double check:

80 = 5 x (7 + y)

80 = 5 x (7 + 9)

80 = 35 + 45

80 = 80, we are correct.

Can someone please answer this it would mean the world to me cause im failing right now

Answers

Answer:

Alright, for question 7, the angle pair relationship is that they are corresponding angles.

So, 17x - 34 = 13x - 14. This means that 4x = 20, and x = 5 :)

For question 8, the angles are a linear pair. They are supplementary (adding to 180) :)

So, 37x - 17 + 33x - 13 = 180

This means taht 4x = 210, and x = 52.5? (I'm not sure if I screwed up on the arithmetic on this one, please correct if you find any mistakes!)

simplificar cada expresion numerica. -24+(-65)÷5​

Answers

Answer:

-37

Step-by-step explanation:

-24+(-65) /5

-24 + (-13)

-37

Answer:

-37

Step-by-step explanation:

-24+(-65)/5

-24+(-65/5)

-24 - 13

-37

5c. Solve the differential equations using Laplace transforms

y"+y' - 2y = e-³x, y(0) = 0 and y'(0) = 0​

Answers

Answer:

[tex]y(x)=\frac{1}{2}e^{-3x}-\frac{2}{3}e^{-2x}+\frac{1}{6}e^{x}[/tex]

Step-by-step explanation:

[tex]y''+y'-2y=e^{-3x},\: y(0)=0,\: y'(0)=0\\\\\mathcal{L}\{y''\}+\mathcal{L}\{y'\}-2\mathcal{L}\{y\}=\mathcal{L}\{e^{-3x}\}\\\\s^2Y(s)-sy(0)-y'(0)+sY(s)-y(0)-2Y(s)=\frac{1}{s+3} \\ \\s^2Y(s)+sY(s)-2Y(s)=\frac{1}{s+3}\\ \\(s^2+s-2)Y(s)=\frac{1}{s+3}\\ \\Y(s)=\frac{2}{(s+3)(s^2+s-2)}\\ \\Y(s)=\frac{2}{(s+3)(s+2)(s-1)}[/tex]

Perform the partial fraction decomposition

[tex]\frac{2}{(s+3)(s+2)(s-1)}=\frac{A}{s+3}+\frac{B}{s+2}+\frac{C}{s-1}\\ \\2=(s+2)(s-1)A+(s+3)(s-1)B+(s+2)(s+3)C[/tex]

Solve for each constant

[tex]2=((-2)+2)((-2)-1)A+((-2)+3)((-2)-1)B+((-2)+2)((-2)+3)C\\\\2=-3B\\\\-\frac{2}{3}=B[/tex]

[tex]2=(1+2)(1-1)A+(1+3)(1-1)B+(1+2)(1+3)C\\ \\2=12C\\\\\frac{2}{12}=C\\ \\\frac{1}{6}=C[/tex]

[tex]2=((-3)+2)((-3)-1)A+((-3)+3)((-3)-1)B+((-3)+2)((-3)+3)C\\ \\2=4A\\\\\frac{2}{4}=A\\ \\\frac{1}{2}=A[/tex]

Take the inverse transform and solve for the IVP

[tex]Y(s)=\frac{\frac{1}{2}}{s+3}+\frac{-\frac{2}{3}}{s+2}+\frac{\frac{1}{6}}{s-1}\\\\y(x)=\frac{1}{2}e^{-3x}-\frac{2}{3}e^{-2x}+\frac{1}{6}e^{x}[/tex]

Jabari owns 100 shares of Stock A and 45 shares of Stock B. For the past month, his stocks have been
fluctuating inversely. Stock A decreased by m cents per share and Stock B increased by n cents per share.
Which equation can be used to find the total change in value of Jabari's shares per month?
A V = (100.-m)+(45.n)
B V = (100-m)+(45.-n)
V = 100(4.-m)+45(4.n)
D V=145(-mºn)

Answers

Answer:

Answer is A

(100*-m)+(45*n)

Step-by-step explanation: because stock a decreases per sock so your going to multiply 100 times -m because it is decreasing so it will be negative

Then it will be 45*n because it increase per number of stocks so you multiply 45 which is the number of stocks times n

Step-by-step explanation:

Round 47,250 to nearest thousand

Answers

Answer:

your answer will be 47000

Answer:

The correct answer is 47,000.

Find the weight of pure gold in 10 grams of 20 carat. It is given that 24 carat gold is cent-percent pure gold.​

Answers

Answer:

The weight of pure gold in 10 grams of 20 carat it is given that 24 carat gold is cent percent pure gold is 83.33 grams

hope this is helpful

Answer:

The weight of pure gold in 10 grams of 20 carat it is given that 24 carat gold is cent percent pure gold is 83.33 grams.

Step-by-step explanation:

To find : The weight of pure gold in 10 grams of 20 carat it is given that 24 carat gold is cent percent pure gold ?

Solution :

The percentage of pure gold in 10 grams can be measured of 24 carat gold.

In fact, this is equal to 100 percentage of pure gold in 10 grams of 1 carat.

The pure gold in 10 grams of 24 carat gold is

\frac{10}{24}\times 100=4.16

24

10

×100=4.16

The pure gold in 10 grams of 20 carat gold is

4.16\times 20=83.334.16×20=83.33

Therefore, The weight of pure gold in 10 grams of 20 carat it is given that 24 carat gold is cent percent pure gold is 83.33 grams.

WILL MARK YOU BRAINLIEST!!

Bananas are 3 for a dollar. Jen has $3. How many bananas can Jen buy?

Answers

1 dollar for 3 bananas

so with

3 dollars we will get 3x3 = 9 bananas

If her income is 210 marks, how many bananas can she buy if ... is 4 dollars each and the cost of bananas is 3 dollars per bunch.

Step-by-step explanation:

which of the following statements is not true about reflections?

a. The image faces the same direction as the pre-image

b. The image is the same shape as the pre-image

c. The image is the same size as the pre-image

d. Points on the pre-image are the same distance from the line of reflection as the corresponding points on the image

Answers

Answer:I’m pretty sure it would be A!

Step-by-step explanation:

Answer:

Should be A

Step-by-step explanation:

But it all depends on the mirror

Rectangle with l = 4f ft, w = 1 ft (show work)

Answers

Answer:

if it's 41 and 1 then the answer is 41 but if it's 4 and 1 then the answer is 4

Step-by-step explanation:

you take length times with and so 4 times 1 which is 4 or 41 times 1 which is 41

The number of chairs Amal can paint varies directly with the amount of time she spends painting. Amal can paint 7 chairs in 3 hours. How many chairs can Amul paint in 15 hours? Enter your answer in the box.

Answers

Answer:

35

Explaination:

This problem can be represented by the equation: (7/3)=(x/15) Then solve for x, which is 35.

Amul can paint 35 chairs   in 15 hours

Let the number of chairs Amal can paint be represented as N

And amount of time she spends painting be represented as t

such that

The number of chairs Amal can paint varies directly with the amount of time she spends painting will be expressed as

N∝t

Introducing the constant of proportionality,K becomes

N=Kt

Amal can paint 7 chairs in 3 hours.K becomes

N=Kt

7=K3

K=7/3

Now if Amul paint in 15 hours, she would paint

N=Kt

N=7/3 X 15

N=35 Chairs

See related answer here:https://brainly.com/question/14073678

A family is purchasing a house and needs to finance a $195,000 mortgage from the bank with an annual percentage rate (APR) of 5.3%. The family is financing it over 30 vears and making monthly payments. What would their monthly payment be?​

Answers

Answer:

  a) payment: $1082.84

  b) interest: $194,822.40

Step-by-step explanation:

The monthly payment on the mortgage can be found using the given formula with the given values of principal (P=195000), interest rate (r=0.053), and time period (t=30). The value of n is 12, corresponding to the number of months in a year.

a)

The monthly payment is ...

  [tex]k=\left(1+\dfrac{r}{n}\right)^{nt}=\left(1+\dfrac{0.053}{12}\right)^{12\cdot30}\approx 4.88661119\\\\\text{monthly payment}=\dfrac{P\cdot\dfrac{r}{n}\cdot k}{k-1}=\dfrac{195000\cdot0.0044166667\cdot4.88661119}{4.88661119-1}\\\\\boxed{\text{monthly payment}=\$1082.84}[/tex]

__

b)

The interest owed is the difference between the total of monthly payments and the principal of the loan:

  interest owed = (360)(1082.84) -195000 = 194,822.40

The interest owed over 30 years is $194,822.40.

hello help me with this question thanks in advance​

Answers

[tex]\bold{\huge{\underline{ Solution \: 1 }}}[/tex]

Basic theorems on similarity of triangles

Theorem 1 :- SSS Similarity

When all the three sides of one triangle are in proportion to the other three sides of the another triangle then those 2 triangles are similar by SSS similarity .

Theorem 2 :- AA similarity

When the two corresponding angles of one triangle are congruent to other two corresponding angles of another triangle then both the triangles are similar by AA Similarity .

Theorem 3 :- SAS similarity

When the two sides of one triangle are in proportion to the other two sides of another triangle and the one of the angles of both the triangles that lie between two corresponding sides are equal then both the triangles are similar by SAS similarity.

Theorem 4 :- AAA similarity

When all the three angles of one triangle are equal to other three angles of another triangle then both the triangles are similar by AAA similarity.

Let's Begin :-

Here, We have given statement that

" If an angle of one triangle is congruent to an angle of another triangle and the corresponding sides including those angles are in proportion, then the two triangles are similar . "

From above theorem, we can conclude that

Both the triangles are similar by SAS similarity

Hence, Option C is correct

[tex]\bold{\huge{\underline{ Solution \: 2 }}}[/tex]

The given statement is proved by using Pythagorean theorem.

Pythagorean theorem states that the square of hypotenuse that is longest side is equal to the sum of the squares of base and perpendicular height that is the smallest sides of the given triangle.

That is,

[tex]\sf{\red{ (Hypotenuse)^{2} = ( Perpendicular)^{2} + ( Base) ^{2}}}[/tex]

Hence, Option D is correct that is Pythagorean theorem.

1 Solve for the variable. 3x + 8 = 44​

Answers

Answer:

x=12

Step-by-step explanation:

3x12=36

36+8=44

Answer:

x = 12

Step-by-step explanation:

3x + 8 - 8 = 44 - 8

3x = 36

simplify to get 12

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