A random sample of size 12 isselected from Normal distributionwith mean 18 and unknownvariance. If the sample standarddeviation S is 5, then the (90.)thpercentile of the sample mean isclosest to:a. 18.80b. 20.00c. 16.00O d. 16.40e. 18.40

Answered: Image /qna-images/answer/68dc4b56-8584-4a9f-bebe-ea7ebcf5c024.jpg

Answered: A random sample of size 12 is selected…

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 12 is selected from Normal distribution with mean 18 and unknown variance. If the sample standard deviation S is 5, then the (90.)th percentile of the sample mean is closest to: