A local drugstore owner knows that, on average, 100 people per hour stop by his store. (a)
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A local drugstore owner knows that, on average, 100 people per hour stop by his store.
(a) Find the probability that in a given 3-minutc period nobody enters the store.
(b) Find the probability that in a given 3-minute period more than 5 people enter the store.
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