Repair calls are handled by one repairman at a photocopy shop.Repair time, including travel time, is exponentially distributed,with a mean of 2.7 hours per call. Requests for copier repairs comein at a mean rate of 1.8 per eight-hour day (assume Poisson)
a. Determine the average number of customers awaiting repairs.(Round your answer to 2 decimal places.) Number of customers
b. Determine system utilization. (Round your answer to 2 decimalplaces. Omit the “%” sign in your response.) System utilization%
c. Determine the amount of time during an eight-hour day thatthe repairman is not out on a call. (Round your answer to 2 decimalplaces.) Amount
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