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You want to obtain a sample to estimate a percentage of Statistics students at ACM that get a grade of at least a C. You would like to be 95% confident that your estimate is within 1.5% of the true population proportion. a) You have no reasonable estimate for the population proportion. You do not know the number Statistics students at ACM. How large of a sample size is required?  b) You estimate the population proportion to be 85 percent. You do not know the number Statistics students at ACM. How large of a sample size is required?  c) You have no reasonable estimate for the population proportion. You know that there is a total of 800 Statistics students at ACM. How large of a sample size is required?

You want to obtain a sample to estimate a percentage of Statistics students at ACM that get a grade of at least a C. You would like to be 95% confident that your estimate is within 1.5% of the true population proportion. a) You have no reasonable estimate for the population proportion. You do not know the number Statistics students at ACM. How large of a sample size is required?  b) You estimate the population proportion to be 85 percent. You do not know the number Statistics students at ACM. How large of a sample size is required?  c) You have no reasonable estimate for the population proportion. You know that there is a total of 800 Statistics students at ACM. How large of a sample size is required?

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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You want to obtain a sample to estimate a percentage of Statistics students at ACM that get a grade of at least a C. You would like to be 95% confident that your estimate is within 1.5% of the true population proportion.

a) You have no reasonable estimate for the population proportion. You do not know the number Statistics students at ACM. How large of a sample size is required? 

b) You estimate the population proportion to be 85 percent. You do not know the number Statistics students at ACM. How large of a sample size is required? 

c) You have no reasonable estimate for the population proportion. You know that there is a total of 800 Statistics students at ACM. How large of a sample size is required? 

d) You estimate the population proportion to be 85 percent. You know that there is a total of 800 Statistics students at ACM. How large of a sample size is required? 

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