The mean wage per hour for all 5000 employees who work at a large company is $27.50, and the standard deviation is $3.70. Let x be the mean wage per hour for a random sample of cer- tain employees selected from this company. Find the mean and standard deviation of x for a sample size of (a) 30 1 (b) 75 1

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 32E
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The mean wage per hour for all 5000 employees who work at a large company is $27.50, and
the standard deviation is $3.70. Let x be the mean wage per hour for a random sample of cer-
tain employees selected from this company. Find the mean and standard deviation of x for a
sample size of You bichagiz bil
(a) 30
(b) 75
ઢોંગ વડે દાદાનું
dupa sir
Transcribed Image Text:The mean wage per hour for all 5000 employees who work at a large company is $27.50, and the standard deviation is $3.70. Let x be the mean wage per hour for a random sample of cer- tain employees selected from this company. Find the mean and standard deviation of x for a sample size of You bichagiz bil (a) 30 (b) 75 ઢોંગ વડે દાદાનું dupa sir
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