ant to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately σ=26.7σ=26.7. You would like to be 95% confident that your estimate is within 2 of the true population mean. How large of a sample size is required? [Do not round mid-calculation. However, use a critical value rounded to three decimal places — this is important for the system to check answers correctly.]

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately σ=26.7σ=26.7. You would like to be 95% confident that your estimate is within 2 of the true population mean. How large of a sample size is required?

[Do not round mid-calculation. However, use a critical value rounded to three decimal places — this is important for the system to check answers correctly.]

n = ------------

 

NOTE; PLEASE PUT ANSWERS IN BOLD.   AND SUBMIT CORRECT ANSWERS

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