The number of customers arriving at the checkout counter in

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The number of customers arriving at the checkout counter in a department store during a one hour period is a Poisson random variable with parameter ? = 7. What is the probability of:

(a) 5 customers a rriving between 10:00 - 11:00?

(b) 10 customers arriving between 10:00 - 12:00?

(c) 3 customers arriving between 10:00 - 10:30?

Reference no: EM13630350

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