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Poisson Distribution

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Assume that customers enter a store at the rate of 60 persons per hour.
(a) What is the probability that during a 5-minute interval no one will enter the store?
(b) What time interval is such that the probability is 1/2 that no one will enter the store during that interval?

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Solution Summary

This solution shows how to determine the given probability problems involving Poisson distribution.

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The rate can also be thought of as 1 person per minute.

a) In a 5-minute interval, the number customers that arrive follows a Poisson(lambda = 5) distribution since ...

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