A telemarketer knows that, on average, he is able to make three sales in a 30-minute period. Suppose the number of sales he can make in a given time period is Poisson distributed.
A) What is the probability that he makes exactly four sales in a 30-minute period?
B) What is the probability that he makes at least two sales in a 30-minute period?
C) What is the probability that he makes five sales in an hour-long period?

Question

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The Answer of A telemarketer knows that, on average, he is able to make three sales in a 30-minute period. Suppose the number of sales he can make in a given time period is Poisson distributed.
A) What is the probability that he makes exactly four sales in a 30-minute period?
B) What is the probability that he makes at least two sales in a 30-minute period?
C) What is the probability that he makes five sales in an hour-long period?

A Telemarketer Knows That, on Average, He Is Able to Make