Operations Management
17th Edition
ISBN: 9781259142208
Author: CACHON, Gérard, Terwiesch, Christian
Publisher: Mcgraw-hill Education,
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Chapter 16, Problem 4PA
Summary Introduction
To determine: The line that best depicts the relationship between utilization and waiting time.
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Which of the following lines in the graphs in Figure 16.16 best depicts the relationship between utilization and waiting time in a queuing system? (Assume the utilizations depicted are less than 100 percent.)a. A b. B c. C d. D e. E f. F
In queuing theory and modeling, if 1/μ represents mean service time. Whatdoes μ represent?
Service rateInterarrival time Arrival rate
None
In waiting line management, system performance measures include which of the following: I. an arriving customer will have to wait. II. The average
number of customers waiting. III. The average time customers spend in the system. IV The probability that the server is busy.
Select one:
a. II, III & IV
b. I, II & III
c. I, II & IV
d. I, III & IV
convert inputs into outputs; they are at the core of operations management.
Select one:
a. processes
b. decisions
C. resources
d. products
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, operations-management and related others by exploring similar questions and additional content below.Similar questions
- What effect will decreasing the variability of the service rate have on the performance of the queuing system (all else being the same)? reduce customer average waiting time in the system cannot be determined without additional information while more customers, they arrive at separate times & create a shorter queue the queue moves faster thanks to a faster arrival ratearrow_forwardPlease do not give solution in image format thanku 1. In a queueing system, customers arrive once every 4 seconds (standard deviation = 4) and services take 3 seconds (standard deviation = 5.1). What is the average time a customer wiill spend in the system (in seconds)?arrow_forwardWhich of the following is not a valid queuing model based on the Kendall notation? Select one: A. M/M/0 B. M/M/3 C. D/M/1 D. G/D/1- E. D/D/2arrow_forward
- The two basic modeling approaches for queuing systems are optimization and simulation. a) True b) Falsearrow_forwardPlease do not give solution in image format thanku A bank has an average of 10 customers per hour arriving into the system, and it takes an average of 30 minutes for the clerk to complete a transaction with a customer. What is the average length of the queue in the bank? And A store open 24 hours per day is interested in determining store traffic. It found that customers arrive uniformly at the rate of 10 customers per hour. The store has a single worker to process customers. The worker takes an average of 5 minutes to process a customer. If we assume that every customer must be processed, what is the average number of customers in the store?arrow_forward[Queuing Theory - Operations Research] Customers arrive according to the Poisson distribution with mean 20 per hour. Service time is exponential with mean 30 minutes. (a) Determine the minimum number of servers the Salon should have to achieve a steady-state. Explain why. (b) Because of a significant number of customers who balked, the owner wants to determine the number of servers so that the average waiting time before having the service is not more 10 minutes. How many servers should the salon have?arrow_forward
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