We want to obtain a sample to estimate a population mean. Based on previous evidence, researchers believe the population standard deviation is approximately \( \sigma = 30.6 \). We would like to be 90% confident that the estimate is within 0.5 of the true population mean. How large of a sample size is required?\[ n = \boxed{\phantom{answer}} \]

Given,margin of error(E)=0.5population standard deviation(σ)=30.6

Answered: We want to obtain a sample to estimate…

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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