Question: 1 Problem 18-1 (Algo) 10 points Repair calls are handled by one repairman at a photocopy shop. Repair time, including travel time, is exponentially distributed

1 Problem 18-1 (Algo) 10 points Repair calls are

1 Problem 18-1 (Algo) 10 points Repair calls are handled by one repairman at a photocopy shop. Repair time, including travel time, is exponentially distributed with a mean of 22 hours per call Requests for copler repairs come in at a mean rate of 23 per eight-hour day (assume Poisson). Determine the following: a. The average number of customers awaiting repairs. (Round your answer to 2 decimal places.) Answer is complete and correct. Number of customers 1.10 b. System utilization (Round your answer to 2 decimal places.) Answer is complete but not entirely correct. System utilization 0.63 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.) Amount of time hours d. The probability of two or more customers in the system. (Do not round Intermediate calculations. Round your answer to 4 decimal places.) Probability

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