Mathematics, 15.07.2019 04:00 clarissajimenez27

An automobile repair shop has determined that the average servic etime 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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An automobile repair shop has determined that the average servic etime on an automobile is 2 hours w...