SOLUTION: Suppose that the average weekly earnings for employees in general automotive repair shops is $450, and that the standard deviation for the weekly earnings for such employees is $50

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Question 976640: Suppose that the average weekly earnings for employees in general automotive repair shops is $450, and that the standard deviation for the weekly earnings for such employees is $50. A sample of 100 such employees is selected at random.
Find the standard deviation of the sampling distribution of the means of average weekly earnings for samples of size 100.
Answer by Fombitz(32388) About Me  (Show Source):