When a production process is operating correctly, the number of units produced per hour has a normal distribution with a mean of 103 and a standard deviation of 15. A random sample of 9 hours was taken. Complete parts (a) through (d). a. Find the mean of the sampling distribution of the sample means. E(X) =(Type an integer or a decimal.) b. Find the variance of the sample mean. o -Type an integer or a decimal.)
When a production process is operating correctly, the number of units produced per hour has a normal distribution with a mean of 103 and a standard deviation of 15. A random sample of 9 hours was taken. Complete parts (a) through (d). a. Find the mean of the sampling distribution of the sample means. E(X) =(Type an integer or a decimal.) b. Find the variance of the sample mean. o -Type an integer or a decimal.)
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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