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Problem-
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 probability that the mean of the sample is between $445 and $455.
Additional information-
This problem related to Basic Statistics and it is about estimate the probability of finding automotive repair workers with weekly earnings between $445 and $455. The calculation has been given in the solution.
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