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AP Statistics Sampling Proportions

Authored by Anthony Clark

Mathematics

12th Grade

AP Statistics Sampling Proportions
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9 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

What does the symbol represent?

mean from a sample

proportion from a population

standard deviation of the sampling distribution of sample proportions

mean of the sampling distribution of sample proportions

mean from a population

2.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

What does the symbol represent?

proportion from a sample

proportion from a population

standard deviation of the sampling distribution of sample proportions

mean of the sampling distribution of sample proportions

standard deviation from a population

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

What does the symbol represent?

proportion from a sample

proportion from a population

probability of something happening

probably didn't learn this

mean of the sampling distribution of sample proportions

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What does this symbol represent?

population proportion

parameter

sample proportion

population sample

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A company has 500 employees and wants to evaluate a proportion using the distribution of sample proportions and normal curve. Under which circumstance will they be able to do this?

n = 80, p = .2

n = 40, p = .2

n = 40, p = .9

n = 30, p = .4

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

10% of people are left handed. If 800 people are randomly selected, find the likelihood that at least 12% of the sample is left handed.

0.0297

0.0106

0.0409

0.0816

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

10% of people are left handed. Of the following, what is the smallest sample size needed to be at least 90% sure that the sample proportion will be between 9% and 11%?

1500

2000

2500

3000

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