in a certain region, the mean annual salary for electricians is $58,650. Let x be a random variable that represents an electrician's salary. Assume the standard deviation is $1890. If a random sample of 40 electricians is selected, what is the probability that the sample mean is less than $58,000? A. 0.015 B. 0.365 C. 0.128 D. 0.319

in a certain region, the mean annual salary for electricians is $58,650. Let x be a random variable that represents an electrician's salary. Assume the standard deviation is $1890. If a random sample of 40 electricians is selected, what is the probability that the sample mean is less than $58,000? A. 0.015 B. 0.365 C. 0.128 D. 0.319

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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