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Suppose that the number of customers who enter a supermarket each hour is normally distributed with...

Suppose that the number of customers who enter a supermarket each hour is normally distributed with a mean of 640 and a standard deviation of 240. The supermarket is open 17 hours per day. What is the probability that the total number of customers who enter the supermarket in one day is greater than 10200? (Hint: Calculate the average hourly number of customers necessary to exceed 10200 in one 17-hour day.)

Probability = ?? ______

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