a simple random sample of 60 items resulted in a sample mean of 80.

Answers

Answer 1

Answer:

(c) The effect of a larger sample size on the margin of error is that the margin of error will increase.

Step-by-step explanation:


Related Questions

does the graph represent a function?

Answers

Answer:

No

Step-by-step explanation:

yes it is

for it to not be a function it would need to have a curve or somthing that make it go somehwere else

Mr. Hinkle baked a pie for Thanksgiving. He cut the pie into 6 piece. He and 2 of his friends each at one slice. What percent of the pie did they eat? *

30%
60%
50%
20%

Answers

Answer:

30%

Step-by-step explanation:

Answer:

50

Step-by-step explanation:

f(x) = -4x2 + 4x – 4
Find f(3)

Answers

F(3) occurs when x =3. So lets plug 3 into our equation.

[tex]f(3) = -4(3)^2 + 4(3)-4\\f(3) = -4(9) + 12- 4\\f(3) = -36 + 12- 4\\f(3)= -28[/tex]

F(3) = -28

I hope this helps! :)

PLEASE HELP GUYS I’m so stuck

Answers

Answer:

what we have to do here hmm mm mm .......

A breakfast cereal producer makes its most popular product by combining just raisins and flakes in each box of cereal. The amounts of flakes in the boxes of this cereal are normally distributed with a mean of 370\,\text{g}370g370, start text, g, end text and a standard deviation of 24\,\text{g}24g24, start text, g, end text. The amounts of raisins are also normally distributed with a mean of 170\,\text{g}170g170, start text, g, end text and a standard deviation of 7\,\text{g}7g7, start text, g, end text.
Let T=T=T, equals the total amount of product in a randomly selected box, and assume that the amounts of flakes and raisins are independent of each other.
Find the probability that the total amount of product is less than 575\,\text{g}575g575, start text, g, end text.
You may round your answer to two decimal places.
P(T<575)\approx

Answers

Using the normal distribution, it is found that there is a 0.9192 = 91.92% probability that the total amount of product is less than 575 g.

In a normal distribution with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the z-score of a measure X is given by:

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

It measures how many standard deviations the measure is from the mean.  After finding the z-score, we look at the z-score table and find the p-value associated with this z-score, which is the percentile of X.When two normal variables are added, the mean is the sum of the means while the standard deviation is the square root of the sum of the variances.

In this problem, the product is composed by flakes and raisins, and we have that:

[tex]\mu_F = 370, \sigma_F = 24, \mu_R = 170, \sigma_R = 7[/tex]

Hence, the distribution for the total amount of product has mean and standard deviation given by:

[tex]\mu = \mu_F + \mu_R = 370 + 170 = 540[/tex]

[tex]\sigma = \sqrt{\sigma_F^2 + \sigma_R^2} = \sqrt{24^2 + 7^2} = 25[/tex]

The probability that the total amount of product is less than 575 g is the p-value of Z when X = 575, hence:

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

[tex]Z = \frac{575 - 540}{25}[/tex]

[tex]Z = 1.4[/tex]

[tex]Z = 1.4[/tex] has a p-value of 0.9192.

0.9192 = 91.92% probability that the total amount of product is less than 575 g.

A similar problem is given at https://brainly.com/question/22934264

passez une bonne journée points faciles 2+2=?

Answers

4 because 2 + 2 is basically like counting to 4 in a faster way

It took the Selby family hours round -trip to drive from their house to their beach house 154 miles away . Find their average speed . 5 1/2

Answers

Step-by-step explanation:

Distance = 154 miles .

Time = 5 ½ hrs .

We know ,

Speed = s / t

v = 154 mi/ 5.5 hrs = 28 mi / hr

Write the expression that represents the sum of
double a number and triple a number.

Answers

Answer: let x = the "number"

2x + 3x is the expression

Step-by-step explanation:

How can I divide 7.86 divide by 0.2

Answers

Answer:

39.3

Step-by-step explanation:

pa brainliest

7.86/0.2
= 393/10
= 39.3

Solve for x, please help, thank you

Answers

Answer:x=6

Step-by-step explanation:

x+5x=36

Step 1: Simplify both sides of the equation.

x+5x=36

(x+5x)=36(Combine Like Terms)

6x=36

6x=36

Step 2: Divide both sides by 6.

[tex]\frac{6x}{6} =\frac{36}{6}[/tex]

x=6

Answer:

x=6

Laws involving positive integral exponents to zero & negative integral exponents.

Paul and anthony were asked to simply a^(2)/a^(-7) . Who do you think is correct in simplifying tge given expression? Justify your answer in 3 to 5 sentences.

Answers

Answer:

Both are correct

Step-by-step explanation:

Paul used the following identities:

[tex]a^{-b}=1/a^b[/tex][tex]a^b*a^c=a^{b+c}[/tex]

Anthony used the identity:

[tex]a^b/a^c= a^{b-c}[/tex]

Miguel, Christian, Amber, Sophia, and Kadin eat dinner together at Texas Roadhouse. The total bill is $53.25. They decide they want to split the bill evenly. How much should each person pay?

ill give brainliest plz help

Answers

Answer:

10.65

Step-by-step explanation:

just divide 5 [because there are five people] with $53.25 [the amount of money]

then the answer will be 10.25

thank you

hope it was helpful

OMG HELP RN

On a typical night at a restaurant, the patio lights use 202.64 kilowatt-hours of electricity and the courtyard lights use h kilowatt-hours of electricity.

Which of the following expressions represents the total number of kilowatt-hours of electricity the patio and courtyard lights use?
A.
202.64 - h
B.
202.64 ÷ h
C.
202.64 × h
D.
202.64 + h

Answers

Answer:

C would be the answer

Hope this helps!

I’ll mark you brainliest if you help me answer 1-9 (no bs)

Answers

yyyy yy yy yuy idont know

Answer:

1. 0

2. undefined

3. 0

4. 0

5. undefined

6. undefined

7. undefined

8. 0

9. 0

Step-by-step explanation:

Find the product -5.5(-1/5)?
a. -1.1
b. 2.75
c. 1.1
d. -0.275

Answers

The answer is 1.1 brainliest

Answer:

c. 1.1

Step-by-step explanation:

-5.5(-1/5) = 5.5/5 = 1.1

Express x2 + 4x - 7 in the form (x + a)? - b where a and b are integers.​

Answers

Answer: (x+2)^2 -11

Step-by-step explanation:

X^2 +4x -7

Half the middle term, add it to x and put them into a bracket and square it

(X+2) ^2 -7

Square the second term to get 4 and then take that away from 7. (We do this because if we had the extra 4, our answer when’s we multiplied out of the brackets wouldn’t be x^2 +4x -7.)

(X+2)^2 -7 -4

Now simplify the whole numbers outside the bracket

(X+2) ^2 -11

what is the distance between the coordinates (9, -2) and (9, 8) show your work on a coordinate grid pleas help mee

Answers

Answer:

10

Formular for finding distance between two points; (x2-x1)² + (y2-y1)² (all square root)

X1=9

X2=9

Y1=-2

Y2=8

Distance= (9-9)²+(-2-8)² (all square root)

=(0)²+(-10)² (all square root)

=0 + 100 (square root)

=100 square root

=10

solve pls brainliest

Answers

2/6 should be the answer

Answer:

1/3

Step-by-step explanation:

What is two divided by one thousand two hundred and twenty eight

Answers

Answer 1/614

Step-by-step explanation:

A punch recipe calls for 1 1/2 quarts of sparking water and 3/4 of a quart of grape juice.
How much grape juice would you need to mix with 3 3/4 quarts of sparkling water?

Answers

Answer:

15/8 quarts is needed.

Step-by-step explanation:

Hoped this helped.

The original selling price was ​$154.30 The sale price was ​$127.92 What is the first step in finding the percent​ markdown?

Answers

Answer:

subtract the new price from the original price

Step-by-step explanation:

To find the percent markdown, first subtract the new price from the original price

154.30-127.92

26.38

Then divide by the original price

26.38/154.30

.170965651

Multiply by 100% to get the percent decrease

17.0965651% decrease

what as 9 squared? i need this

Answers

81 I think, I hoped this helped

Simpson office furniture pays Tom Russell a $2490 monthly salary plus a 9% commission on merchandise he sells each month .Assume Tom's sales were $88,000 for last month.​

Answers

Answer:

Amount Tom was paid for his sales last month 88,000 x9%= $7920.00

Step-by-step explanation:

HELP PLEASE I WILL MARK BRAINIEST WHEN ABLE TO

An expression is shown below:

the square root of 18 plus the square root of 2

Which statement is true about the expression?

It is rational and equal to 4 times the square root of 2.
It is irrational and equal to 4 times the square root of 2.
It is rational and equal to 3 times the square root of 2.
It is irrational and equal to 3 times the square root of 2.

Answers

Answer: It is irrational and equal to 3 times the square root of 2.

Answer:

It is irrational and equal to 3 times the square root of 2.

Step-by-step explanation:

just like the other guy said

what is 6 over x-8 - 3x over x squared -5

Answers

Answer:

6/x^5-2x-8

Step-by-step explanation:

6 over x-8-3x is

6/x-8-3x/x^-5

Over x^-5

x^-5 can be rewritten as

6/x-8-3x+x^5

Simplify:

6/x^5-2x-8

Hope this helps!

What property is -5(-9x^2+8)+20=10x^2-15

Answers

Answer:

distributive?

Step-by-step explanation:

-5(-9x^2+8)+20=10x^2-15

simplify both sides

45x^2-20=10x^2-15

35x^2=5

x^2=1/7

x=1/sqrt(7)

distributive?

How many tens equal 6 thousands

Answers

600 is the correct answer
the answer is= 600 tens

12.) Samuel is 30.75 inches tall. His younger brother, Spencer, is 6 inches shorter. How tall is Spencer?​

Answers

Answer: Spencer is 24.75 inches tall

Step-by-step explanation: Just subtract 6 from 30.75 to find the answer

Answer:

The percentage increase in Spencer's height is 125%

Step-by-step explanation:

Solution:

Initial height of spencer = 28 inches  

Increased height of spencer = 5 feet 3 inches  

= 5 feet + 3 inches  

(5 feet = 5 ×12=60 inches)

= 60  + 3

True or False: This table describes a linear function.
XY
1 5
2 8
3 10

Answers

Answer:

False

Step-by-step explanation:

The slope is not constant

5.
Emily is currently being paid monthly and earns $3,500 in gross pay with every paycheck. Her
employer has decided to shift their pay schedule to a biweekly schedule.
How much less will Emily receive in gross pay per paycheck after the shift?

Answers

Answer:

Emily receives $1,750 less after the shift

Step-by-step explanation:

Other Questions
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