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Name: You want to obtain a sample to estimate a population mean. Based on pr
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Description: You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately σ=25.7σ=25.7. You would like to be 99.5% confident that your estimate is within 3 of the true popula

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 mean. Based on previous evidence, you believe the population standard deviation is approximately σ=25.7σ=25.7. You would like to be 99.5% confident that your estimate is within 3 of the true population mean. How large of sample size is required?

n =

Do not round mid-calculation. However, use a critical value accurate to three decimal places — this is important for the system to be able to give hints for incorrect answers.

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