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Author Question: An automotive repair shop has determined that the average service time on an automobile is 2 hours ... (Read 33 times)

jany123

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An automotive repair shop has determined that the average service time on an automobile is 2 hours with a standard deviation of 32 minutes. A random sample of 64 services is selected.

a.What is the probability that the sample of 64 will have a mean service time greater than 114 minutes?
b.Assume the population consists of 400 services. Determine the standard error of the mean.



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Marked as best answer by jany123 on Mar 25, 2023

gyvette

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jany123

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Reply 2 on: Mar 25, 2023
YES! Correct, THANKS for helping me on my review


diana chang

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Reply 3 on: Yesterday
Gracias!

 

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