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

An automobile 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 out of 400 services is selected. What is the probability that this sample will have a mean service time greater than 114 minutes?

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