Repair calls are handled by one repairman at a photocopy shop. Repair time, including travel time, is exponentially distributed, with a mean of 2.1 hours per call. Requests for copier repairs come in at a mean rate of 2.4 per eight hour day (Assume Poissson)
Determine:
a. The average number of customers awaiting repairs (Round your answer to 2 decimal places)
b. System utilization.(Round your answer to 2 decimal places)
c. The amount of time during an eight-hour day that the repairman is not out on a call. (Round your answer to 2 decimal places)
d. The probability of two or more customers in the system (Round your answer to 4 decimal places)