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Author Question: The average weekly earnings of bus drivers in a city are $950 (that is ) with a standard deviation ... (Read 183 times)

aeb093

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The average weekly earnings of bus drivers in a city are $950 (that is μ) with a standard deviation of $45 (that is σ). Assume that we select a random sample of 81 bus drivers.

a.Compute the standard error of the mean.
b.What is the probability that the sample mean will be greater than $960?
c.If the population of bus drivers consisted of 400 drivers, what would be the standard error of the mean?



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Marked as best answer by aeb093 on Mar 25, 2023

Rcfelber

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aeb093

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Reply 2 on: Mar 25, 2023
Great answer, keep it coming :)


irishcancer18

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Reply 3 on: Yesterday
Wow, this really help

 

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