Question

A manufacturer of clothing knows that the probability of a button flaw (broken, sewed on incorrectly, or missing) is 0.002. An inspector examines 50 shirts in an hour, each with 6 buttons. Using a Poisson probability model:
a) What is the probability that she finds no button flaws?
b) What is the probability that she finds at least one?


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  • CreatedMay 14, 2015
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