QUIZ4F09_S1&amp;2ANS

# QUIZ4F09_S1&amp;2ANS - S 1&2 F09 FM IS 3301 QUIZ 4 ANS...

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FMIS 3301 QUIZ 4 ANS 1. Variation in arrival or processing rates affects: a. Processing times in single-server processes only b. Total flow time and utilization rate c. Utilization rates only d. *Waiting time (time in the queue or buffer) e. Interarrival times in multi-server processes only 2. In an M/M/3/ process, R i = 90/hr R P = 105/hr, The time between arrivals (arrival time) is: a. About 0.011 minutes b. About 0.6 hours c. *About 40 seconds (1/90)*60 =0.67 m. d. Cannot be determined with the data given e. The system is infeasible 3. At a process, the average processing time is 12 seconds, with a standard deviation of 8 seconds. What is the coefficient of variation of processing time? a. *0.67 (8/12) b. 2 c. 1.5 d. 8 e. Not enough data 4. A single ATM processes individual transactions. The mean arrival rate is 55 customers per hour and the ATM can process 60 transactions per hour, both with a Poisson distribution. What is the mean time in minutes that a customer spends in the system? a.

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QUIZ4F09_S1&amp;2ANS - S 1&2 F09 FM IS 3301 QUIZ 4 ANS...

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