Assume that a sample is used to estimate a population mean μ . Find the 95% confidence interval for a sample of size 389 with a mean of 67.8. The population standard deviation of 14.4 Use critical value Z = 1.96 Round answer to 2 decimals

Assume that a sample is used to estimate a population mean μ . Find the 95% confidence interval for a sample of size 389 with a mean of 67.8. The population standard deviation of 14.4 Use critical value Z = 1.96 Round answer to 2 decimals

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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Assume that a sample is used to estimate a population mean μ . Find the 95% confidence interval for a sample of size 389 with a mean of 67.8. The population standard deviation of 14.4

Use critical value Z = 1.96

Round answer to 2 decimals

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