OPERATION MANAGEMENT
2nd Edition
ISBN: 9781260242423
Author: CACHON
Publisher: MCG
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Chapter 17, Problem 5CQ
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To determine: The benefit of reducing the variability of processing times.
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. A computer server experiences large fluctuations in the amount of data requests itreceives throughout the day. Because of this variation, Little’s Law does not apply. Trueor false?
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If the arrival rate doubles and the number of servers doubles, what is the changein the system’s utilization, assuming there are no other changes (e.g., the processing timeand the coefficients of variation remain the same)?A. Utilization increases.B. Utilization remains the same.C. Utilization decreases.D. It is not possible to determine how those changes will influence utilization.
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- Proctoring Enabled: Chapter 11 Queuing Models Ex. Saved Help Save & Exit Submit 1 In an M/MA queueing system, the arrival rate is 3 customers per hour and the service rate is 5 customers per hour. If the service process is automated (resulting in no variation in service times but the same service rate), what will be the resulting performance measurements? (Round your answers to 3 decimal places.) a. What is the utilization? Utilization b. What is the expected number of customers in the system (L)? Number of customers c. What is the expected waiting time (in hours) for the system (W? Waiting time(in hours) Mc Graw Hill Prev 1 of 5 Next > ASUSarrow_forwardIn an M/MA queueing system, the arrival rate is 3 customers per hour and the service rate is 5 customers per hour. If the service process is automated (resulting in no variation in service times but the same service rate), what will be the resulting performance measurements? (Round your answers to 3 decimal places.) a. What is the utilization? Utilization b. What is the expected number of customers in the system (L)? Number of customers c. What is the expected waiting time (in hours) for the system (W)? Waiting time(in hours)arrow_forwardWhich of the following best reflects pooling capacity to reduce restroom queue lengths?a. Add more toilets to increase capacity.b. Install a flexible partition that can alter the size of the women’s and the men’srestrooms.c. Convert the separate men’s and women’s rooms into a single unisex restroom (thatboth men and women can use).d. Remove mirrors in the restroom to decrease the time users spend in the restroom.e. Add automatic flush capability to each toilet to decrease processing times.arrow_forward
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