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    When Observing a Checkout Line at a Food Store, the Average
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When Observing a Checkout Line at a Food Store, the Average

Question 32

Question 32

Essay

When observing a checkout line at a food store, the average number of people served is 30 per hour. Using the Poisson distribution, what is the standard deviation of the number of people served in an hour?

Correct Answer:

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5.48
Explanation: The mean and...

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