Small grocery store that has single checkout line

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Reference no: EM132203433

You run a small grocery store that has a single checkout line. Customers arrive at the store at an average rate of 45 per hour, and inter-arrival times are distributed exponentially. A study of the time required to check out a customer revealed that the checkout times are nearly normally distributed, with a mean of 1 minute, and a standard deviation of 30 seconds.

a) On average, how much time does it take for the average customer to be checked out (including both the time spent waiting in line and with the cashier)?

Reference no: EM132203433

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