o support National Heart Week, the Heart Association plans to install a free blood pressure testing booth in Meridian Mall for the week. Previous experience indicates that, on the average, 10 persons per hour request a test. Assume arrivals are Poisson from an infinite population. Blood pressure measurements can be made at a constant time of five minutes each. Assume the queue length can be infinite with FCFS discipline.

Part (a) What is the average amount of time that a person can expect to spend in line?

Part (b) On the average, how much time will it take to measure a person's blood pressure, including waiting time?

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