You are contacted by a phone-in technical support business that is interested in some information about the amount of time

You are contacted by a phone-in technical support business that is interested in some information about the amount of time their customers spend on hold. You find out that on average, each caller spends 13.7 minutes on hold with a standard deviation of 1.33 minutes. If you were to take a random sample of 48 callers, you would expect 48% of the time the average hold time would be greater than how many minutes


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