To estimate the population mean µ with a 85% error margin of 2.5 units,10)one has determined that the required sample size is 225. What then is the required samplesize if one wants the 99% error margin to be 1.5 units ?

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Answered: To estimate the population mean µ with…

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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To estimate the population mean µ with a 85% error margin of 2.5 units, 10) one has determined that the required sample size is 225. What then is the required sample size if one wants the 99% error margin to be 1.5 units ?