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The average annual cost of books for a random sample of 20 college students in both public and private schools was $1114. Assuming that the population standard deviati $186 and the distribution is approximately normal, construct a 92% confidence interval for the mean annual cost of books for both public and private schools. (-250.1, 622.09)

The average annual cost of books for a random sample of 20 college students in both public and private schools was $1114. Assuming that the population standard deviati $186 and the distribution is approximately normal, construct a 92% confidence interval for the mean annual cost of books for both public and private schools. (-250.1, 622.09)

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
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The average annual cost of books for a random sample of 20 college students in both public and private schools was $1114. Assuming that the population standard deviation is $186 and the distribution is approximately normal, construct a 92% confidence interval for the mean annual cost of books for both public and private schools. (-250.1, 622.09) (9.481, 10.519) (1032.5, 1195.5) 00000 (1041.2,1186.8) (1037.1,1190.9)
Transcribed Image Text:The average annual cost of books for a random sample of 20 college students in both public and private schools was $1114. Assuming that the population standard deviation is $186 and the distribution is approximately normal, construct a 92% confidence interval for the mean annual cost of books for both public and private schools. (-250.1, 622.09) (9.481, 10.519) (1032.5, 1195.5) 00000 (1041.2,1186.8) (1037.1,1190.9)
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