Suppose that the mean hourly wage of all employees in a large semiconductor manufacturing facility is $50 with a standard deviation of $10. Let X be the mean hou wages of certain employees selected randomly from all the employees of this manufacturing facility. If a random sample of 64 employees is selected, then the probability that the mean hourly wages X falls between $48 and $52 is: 0.9986 0.8904

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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Suppose that the mean hourly wage of all employees in a large semiconductor
manufacturing facility is $50 with a standard deviation of $10. Let X be the mean hourly
wages of certain employees selected randomly from all the employees of this
manufacturing facility. If a random sample of 64 employees is selected, then the
probability that the mean hourly wages X falls between $48 and $52 is:
0.9986
0.8904
0.9544
0.9898
Transcribed Image Text:Suppose that the mean hourly wage of all employees in a large semiconductor manufacturing facility is $50 with a standard deviation of $10. Let X be the mean hourly wages of certain employees selected randomly from all the employees of this manufacturing facility. If a random sample of 64 employees is selected, then the probability that the mean hourly wages X falls between $48 and $52 is: 0.9986 0.8904 0.9544 0.9898
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