A bank teller serves customers standing in the queue one by one. Suppose that the service time
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A bank teller serves customers standing in the queue one by one. Suppose that the service time Xi for customer i has mean EXi = 2 (minutes) and Var(Xi) = 1. We assume that service times for different bank customers are independent. Let Y be the total time the bank teller spends serving 50 customers. Find P(90 < Y < 110).
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Related Book For
Introduction To Probability Statistics And Random Processes
ISBN: 9780990637202
1st Edition
Authors: Hossein Pishro-Nik
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