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You are the manager of a local bank where three tellers provide services to customers. On? average, each teller takes three minutes to serve a customer. Customers? arrive, on? average, at a rate of 40 per hour. Having recently received complaints from some customers that they waited a long time before being? served, your boss asks you to evaluate the service system.? Specifically, you must provide answers to the following? questions:

a. The average utilization of the? three-teller service system is

ρ=

?(Enter your response rounded to four decimal places.?)

b. The probability that no customers are being served by a teller or are waiting in line is

P0=

?(Enter your response rounded to four decimal places.?)

c. The average number of customers waiting in line is Lq= customers.

?(Enter your response rounded to one decimal place.

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Operation Management, Management Studies

Category:- Operation Management
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