The manager of a branch office of Polar Bank observed that 20 customers per hour, on average,

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The manager of a branch office of Polar Bank observed that 20 customers per hour, on average, arrive during peak time, and that there are about four customers, on average, in the bank branch at any time. How long does the average customer spend waiting in line and being serviced?
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Foundations Of Operations Management

ISBN: 9780133251661

4th Canadian Edition

Authors: Larry P. Ritzman, Lee J. Krajewski, Manoj K. Malhotra, Robert D. Klassen

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