What is the smallest sample size required to providea 95% confidence interval for a mean, if the marginof error is 1 cm from the mean. You may assumethat the population is normal with variance 9cm².A139В1245с) 35D) 95

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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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What is the smallest sample size required to provide a 95% confidence interval for a mean, if the margin of error is 1 cm from the mean. You may assume that the population is normal with variance 9cm2. A 139 В 1245 C) 35 D) 95