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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...

This question was answered on May 19, 2010. View the Answer
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

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This question was asked on May 19, 2010 and answered on May 19, 2010.

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