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You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p 0.32. You would like to be 96% confident that your esimate is within 4% of the true population proportion. How large of a sample size is required? n =

You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p 0.32. You would like to be 96% confident that your esimate is within 4% of the true population proportion. How large of a sample size is required? n =

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p 0.32. You would like to be 96% confident that your esimate is within 4% of the true population proportion. How large of a sample size is required? n =
Transcribed Image Text:You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p 0.32. You would like to be 96% confident that your esimate is within 4% of the true population proportion. How large of a sample size is required? n =
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How did you get 0.98 from NORM.INV(0.98,0,1)?

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