Repair calls are handled by one repairman at a photocopy shop. Repair time, including travel time, is exponentially distributed, with a mean of 2.0 hours per call. Requests for copier repairs come in at a mean rate of 3 per eight-hour day (assume Poisson).   what is the average number of customers awaiting repais? what is system utilzation? What is the amount of time in a 8 hour day that the repairman is not out on a call? What is the probability of two customers in the system?

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Repair calls are handled by one repairman at a photocopy shop. Repair time, including travel time, is exponentially distributed, with a mean of 2.0 hours per call. Requests for copier repairs come in at a mean rate of 3

per eight-hour day (assume Poisson).

 

what is the average number of customers awaiting repais?

what is system utilzation?

What is the amount of time in a 8 hour day that the repairman is not out on a call?

What is the probability of two customers in the system?

 

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