An automotive repair shop has determinedthat the average service time on an auto

Question

   An automotive repair shop has determinedthat the average service time on an automobile is 2 hours with astandard deviation of 32 minutes. A random sample of 64 services isselected. What is the probability that the sample of 64 will have amean service time greater than 114 minutes?    An automotive repair shop has determinedthat the average service time on an automobile is 2 hours with astandard deviation of 32 minutes. A random sample of 64 services isselected. What is the probability that the sample of 64 will have amean service time greater than 114 minutes?

Explanation / Answer

Hm, You can probably use z score table to look that up.

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