What percent of the time will the pumps be idle

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Reference no: EM131121758

A new full-service, attendant-staffed fuel and car service station on Interstate 95 will service onlynorthbound cars. The manager estimates that customers will arrive every 4 minutes and willrequire 6 minutes to be served at the pump. How many pumps should be installed if the managerdesires a utilization factor of 0.75? What percent of the time will the pumps be idle? Assume thatthe coefficients of variation of both the inter-arrival times and the service times are equal to 1.

Reference no: EM131121758

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