People arrive at an ATM vestibule to withdraw cash at an average rate of two people per
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People arrive at an ATM vestibule to withdraw cash at an average rate of two people per minute. If the distribution of arrivals is Poisson, find the probability that in any given minute there will be three or fewer arrivals.
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Related Book For
Statistics For Business And Economics
ISBN: 9781292315034
9th Global Edition
Authors: Paul Newbold, William Carlson, Betty Thorne
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