OPERATIONS MGMT(LOOSELEAF)W/MYOMLAB>IC
16th Edition
ISBN: 9781323153123
Author: HEIZER
Publisher: PEARSON C
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Question
Chapter D, Problem 13DQ
a)
Summary Introduction
To explain: The components of queuing system in barbershop using drawing.
Introduction: The mathematical study which analysis the causes of delay in the waiting line is known as queuing theory. The theory examines all components in the waiting line such as arrival process, service process, and number of servers, system and customers.
b)
Summary Introduction
To explain: The components of queuing system in carwash by drawing.
c)
Summary Introduction
To explain: The components of queuing system in laundromat by drawing.
d)
Summary Introduction
To explain: The components of queuing system in small grocery store by drawing.
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13. Give an example of a single-phase queuing system.
Question
The new accounts loan officer of the Millennium Commercial Bank interviews all customers for new accounts. The customers desiring to open new accounts arrive at the rate of 4 per hour, according to a Poisson distribution, and the accounts officer spends an average of 12 minutes with each customer, setting up a new account.
Required
1. Determine the operating characteristics (P0, L, Lq, W, Wq and Pw) for this system.
2. Add an additional accounts officer to the system described in this problem so that it is now a multiple-server queuing system with two channels and determine the operating characteristics required in part A.
Name the three parts of a typical queuing system.
Chapter D Solutions
OPERATIONS MGMT(LOOSELEAF)W/MYOMLAB>IC
Ch. D - Prob. 1DQCh. D - Prob. 2DQCh. D - Question 3. Name the three factors that govern the...Ch. D - Prob. 4DQCh. D - Prob. 5DQCh. D - Prob. 6DQCh. D - Prob. 7DQCh. D - Prob. 8DQCh. D - Prob. 9DQCh. D - Question 10. Describe the behavior of a waiting...
Ch. D - Question 11. Discuss 1he likely outcome of a...Ch. D - Prob. 12DQCh. D - Prob. 13DQCh. D - Prob. 14DQCh. D - Question 15. What happens if two single-server...Ch. D - Prob. 16DQCh. D - Prob. 17DQCh. D - Prob. 1PCh. D - Prob. 2PCh. D - Question D.3 Paul Fenster owns and manages a...Ch. D - Prob. 4PCh. D - Prob. 5PCh. D - Prob. 6PCh. D - Question D.7 Automobiles arrive at the...Ch. D - Question D.8 Virginias Ron McPherson Electronics...Ch. D - Question D.9 Neve Commercial Bank is the only...Ch. D - Question D.10 Beate Klingenberg manages a...Ch. D - Question D.11 Bill Youngdahl has been collecting...Ch. D - Question D.12 The wheat harvesting season in the...Ch. D - Prob. 13PCh. D - Prob. 14PCh. D - Prob. 15PCh. D - Prob. 16PCh. D - Prob. 17PCh. D - Prob. 18PCh. D - Question D.19 One mechanic services 5 drilling...Ch. D - Prob. 20PCh. D - Prob. 21PCh. D - Prob. 22PCh. D - Prob. 23PCh. D - Prob. 24PCh. D - Prob. 25PCh. D - Prob. 26PCh. D - Prob. 27PCh. D - Prob. 28PCh. D - Prob. 29PCh. D - Prob. 30PCh. D - Question New England Foundry For more than 75...Ch. D - Prob. 1.2CSCh. D - New England Foundry For more than 75 years, New...Ch. D - Question The Winter Park Hotel Lori Cook, manager...Ch. D - Question The Winter Park Hotel Lori Cook, manager...
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- 5.6. Identify 10 real-life examples of queuing systems with which you are familiar.arrow_forwardExplain Structure of Waiting-Line Problems?arrow_forwardQ. Although waiting is inevitable, services marketers should aim to make the waits bearable. Given the 10psychological waiting propositions, identify two strategies service marketers should take, to ease the wait inthe following situations.a. A city bus stop on a cold, dark eveningb. Students waiting for online advisingc. A ticket line for a game that is expected to be a sell outd. Waiting at a job interviewe. Waiting for doctor in the emergency sectionarrow_forward
- Can you do question Earrow_forwardQuestion #3 (ADJUSTED) Select a personal good waiting experience and a personal bad waiting experience and contrast the two situations with respect to the service environment and other people waiting. Did the process hinder or help the impact of the wait? What were some of the Physical Environment characteristics that hindered or helped the experience?arrow_forwardProblem 15-31 (Algorithmic) Mid-West Publishing Company publishes college textbooks. The company operates an 800 telephone number whereby potential adopters can ask questions about forthcoming texts, request examination copies of texts, and place orders. Currently, two extension lines are used, with two representatives handling the telephone inquiries. Calls occurring when both extension lines are being used receive a busy signal; no waiting is allowed. Each representative can accommodate an average of 10 calls per hour. The arrival rate is 16 calls per hour.arrow_forward
- State general trade offs involved in waiting line decisions ?arrow_forwardDescribe what is meant by the waiting-line terms balk and renege. Provide an example of each.arrow_forwardQUESTION 4 Assume that the UCC cafeteria has a single cashier. During peak hours, students arrive at a rate of 20 per hour. The average number of students that can be serviced by the cashier is 24 per hour. Calculate the following: The number of students in the cafeteria Number of students actively in the queue being served Waiting time in the cafeteria Waiting time for students in the queue What is the probability that there will be more than six students in the cafeteria or in the queue?arrow_forward
- 5. A small town with one hospital has two ambulances to supply ambulance service. Requests forambulances during non-holiday weekends average .45 per hour and tend to be Poisson-distributed.Travel and assistance time averages two hours per call and follows an exponential distribution.Find:a. System utilizationb. The average number of customers waitingc. The average time customers wait for an ambulanced. The probability that both ambulances will be busy when a call comes inarrow_forwardDescribe two examples of unethical behavior related to waiting line management, and state whichethical principles they violate.CRITICAL THINKINGEXERCISES1. a. λ = 3 customers/hourμ = 5 customers/hourM = 1(1) What is the system utilization?(2) What is the average number of customers waiting for service?(3) What is the average time customers wait in line for service? b. Repair calls are handled by one repairman at a photocopy shop. Repair time, including traveltime, is exponentially distributed, with a mean of two hours per call. Requests for copier repairscome in at a mean rate of three per eight-hour day (assume Poisson). Determine:(1) The average number of customers awaiting repairs.(2) System utilization.(3) The amount of time during an eight-hour day that the repairman is not out on a call.(4) The probability of two or more customers in the system.c. An average of 18 customers arrive at a service center each hour. There are two servers on duty,and each server can process 12…arrow_forwardState the seven common measures of queuing system performance?arrow_forward
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