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A random sample of size 925 is drawn from a large population. The population standard deviation is 12.5. The sample mean is 80.9. Find a 90% confidence interval for the population mean, µ. Round your answers to the nearest tenth. < µ <

A random sample of size 925 is drawn from a large population. The population standard deviation is 12.5. The sample mean is 80.9. Find a 90% confidence interval for the population mean, µ. Round your answers to the nearest tenth. < µ <

MATLAB: An Introduction with Applications
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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A random sample of size 925 is drawn from a large population. The population standard deviation is 12.5. The sample mean is 80.9. Find a 90% confidence interval for the population mean, µ. Round your answers to the nearest tenth. <µ <
Transcribed Image Text:A random sample of size 925 is drawn from a large population. The population standard deviation is 12.5. The sample mean is 80.9. Find a 90% confidence interval for the population mean, µ. Round your answers to the nearest tenth. <µ <
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