Repair calls are handled by one repairman at a photocopy shop. Repair time, including traveltime, is exponentially distributed, with a mean of two hours per call. Requests for copierrepairs come in at a mean rate of three per eight-hour day (assume Poisson).A) Identify the Queuing Model and sketch the system.B) What is the arrival rate?C) What is the service rate?D) What is the average number of customers awaiting repairs?

Question

Repair calls are handled by one repairman at a photocopy shop. Repair time, including travel
time, is exponentially distributed, with a mean of two hours per call. Requests for copier
repairs come in at a mean rate of three per eight-hour day (assume Poisson).
A) Identify the Queuing Model and sketch the system.
B) What is the arrival rate?
C) What is the service rate?
D) What is the average number of customers awaiting repairs?

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