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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 the mean monthly student loan payments in Washington state. Based on previous evidence, you believe the population standard deviation is approximately $64.50. You would like to be 95% confident that your estimate is within $6 of the true population mean. How large of a sample size is required?
Transcribed Image Text:You want to obtain a sample to estimate the mean monthly student loan payments in Washington state. Based on previous evidence, you believe the population standard deviation is approximately $64.50. You would like to be 95% confident that your estimate is within $6 of the true population mean. How large of a sample size is required?
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