Question: Chucks convenience store has only one gas pump. Cars pull up to the pump at a rate of one car every eight minutes. Depending on

Chuck’s convenience store has only one gas pump. Cars pull up to the pump at a rate of one car every eight minutes. Depending on the speed at which the customer works, the pumping time varies. Chuck estimates that the pump is occupied for an average of five minutes, with a standard deviation of one minute. Calculate Chuck’s operating characteristics. Comment on the values obtained. What, if anything, would you recommend Chuck should do?

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