What is the average time a student is in the grill area

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Reference no: EM131257831

Bill Youngdahl has been collecting data at the TU student grill. He has found that, between 5:00 p.m. and 7:00 p.m., students arrive at the grill at a rate of 25 per hour (Poisson distributed) and service time takes an average of 2 minutes (negative exponential distribution). There is only 1 server, who can work on only 1 order at a time.

a) What is the average number of students in line?

b) What is the average time a student is in the grill area?

c) Suppose that a second server can be added to team up with the first (and, in effect, act as 1 faster server). This would reduce the average service time to 90 seconds. How would this affect the average time a student is in the grill area?

d) Suppose a second server is added and the 2 servers act independently, with each taking an average of 2 minutes. What would be the average time a student is in the system?

Reference no: EM131257831

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