Customers arrive at a photocopying machine at an average rate of 2 every five minutes. Assume that

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Customers arrive at a photocopying machine at an average rate of 2 every five minutes.

Assume that these arrivals are independent, with a constant arrival rate, and that this problem follows a Poisson model, with X denoting the number of arriving customers in a 5-minute period and mean l = 2. Find the probability that more than two customers arrive in a 5-minute period.

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Statistics For Business And Economics

ISBN: 9780273767060

8th Global Edition

Authors: Paul Newbold, Mr William Carlson, Ms Betty Thorne

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