Determine the probability of two or more customers in system

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Reference no: EM132157399

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). Use Table 1.

a. Determine the average number of customers awaiting repairs. (Round your answer to 2 decimal places.)

Average number of customers_________

b. Determine system utilization. (Omit the "%" sign in your response.)

System utilization_________________ %

c. Determine the amount of time during an eight-hour day that the repairman is not out on a call.

Amount of time___________________ hours

d. Determine the probability of two or more customers in the system. (Do not round intermediate calculations. Round your answer to 4 decimal places.)

Probability_____________

Reference no: EM132157399

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