OPERATIONS MANAGEMENT: SUSTAIN ACCESS C
13th Edition
ISBN: 9780135662076
Author: HEIZER
Publisher: PEARSON
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Chapter F, Problem 1CS
Summary Introduction
Case summary:
The case deals about the call center of State A’s airlines, which has 800 reservation systems. The information related to the phone calls between midnight and 6:00 A.M. is as follows:
| Time between calls (minutes) | Probability | Cumulative probability | Random number interval |
| 1 | 0.11 | 0.11 | 01-11 |
| 2 | 0.21 | 0.32 | 12-32 |
| 3 | 0.22 | 0.54 | 33-54 |
| 4 | 0.2 | 0.74 | 55-74 |
| 5 | 0.16 | 0.9 | 75-90 |
| 6 | 0.1 | 1 | 91-00 |
| Time to process customer inquiries | Probability | Cumulative probability | Random number interval |
| 1 | 0.2 | 0.2 | 01-20 |
| 2 | 0.19 | 0.39 | 21-39 |
| 3 | 0.18 | 0.57 | 40-57 |
| 4 | 0.17 | 0.74 | 58-74 |
| 5 | 0.13 | 0.87 | 75-87 |
| 6 | 0.1 | 0.97 | 88-97 |
| 7 | 0.03 | 1 | 98-00 |
Customers of the airline does not want to be in hold for more than 3 to 4 minutes. As a part of new television advertising campaigns, the incoming call distribution from midnight to 6:00 A.M. is as follows:
| Time between calls (minutes) | Probability | Cumulative probability | Random number interval |
| 1 | 0.22 | 0.22 | 01-22 |
| 2 | 0.25 | 0.47 | 23-47 |
| 3 | 0.19 | 0.66 | 48-66 |
| 4 | 0.15 | 0.81 | 67-81 |
| 5 | 0.12 | 0.93 | 82-93 |
| 6 | 0.07 | 1 | 94-00 |
To determine: The simulation model to investigate the given scenario.
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Students have asked these similar questions
For the purpose of process analysis, which of the following measures would be considered an appropriate flow unit for analyzing the main operation of a local accounting firm? Instructions: You may select more than one answer.
a. Number of accountants working each week
b. Number of tax returns completed each week
c. Number of customers with past-due invoices
d. Number of reams of paper received from suppliers
4. Based on the data provided in Table 2.5, what is the flow rate of callers from 8:00 a.m. to 8:20 a.m.?
TABLE 2.5 Time Stamps of the Eight Callers Who Called from 8:00 a.m. to 8:20 a.m. to the Reservation Desk of a Ferry Service
Caller
Time In
Time Out
1
8:01
8:05
2
3
4
5
6
8:02
8:07
8:06
8:08
8:09
8:12
8:10
8:15
8:12
8:20
7
8:16
8:19
8
8:17
8:19
5. Based on the data provided in Table 2.5, what is the flow time of callers from 8:00 a.m. to 8:20 a.m.?
6. Based on the data provided in Table 2.6, what is the flow rate of customers from 9:00 a.m. to 10:00 a.m.?
TABLE 2.6 Time Stamps of 10 Customers Who Visited a Local Bank Branch from 9:00 a.m. to 10:00 a.m.
Customer
1
2
3
4
5
6
7
8
9
10
Time In
Time Out
9:01
9:07
9:06
9:21
9:08
9:20
9:14
9:19
9:20
9:28
9:26
9:33
9:31
9:39
9:40
9:46
9:44
9:59
9:53
9:57
7. Based on the data provided in Table 2.6, what is the flow time of customers from 9:00 a.m. to 10:00 a.m.?
How is Little’s Law currently used in today’s supply chains?
Provide an example of where it is used.
Chapter F Solutions
OPERATIONS MANAGEMENT: SUSTAIN ACCESS C
Ch. F - Question: 1 State the seven steps, beginning with...Ch. F - Question: 2. List the advantages of simulation.Ch. F - Prob. 3DQCh. F - Question: 4. Explain the difference between...Ch. F - Question: 5. What is the role of random numbers in...Ch. F - Prob. 6DQCh. F - Question: 7. What is Monte Carlo simulation? What...Ch. F - Question: 8. List six ways that simulation can be...Ch. F - Question: 9. Why is simulation such a widely used...Ch. F - Prob. 10DQ
Ch. F - Prob. 11DQCh. F - Prob. 12DQCh. F - Prob. 13DQCh. F - Prob. 1PCh. F - Prob. 2PCh. F - Prob. 3PCh. F - Prob. 4PCh. F - Question F.5 Arnold Palmer Hospital is studying...Ch. F - Prob. 6PCh. F - Question: F.7 A warehouse manager at Mary Beth...Ch. F - Prob. 16PCh. F - Prob. 8PCh. F - Question: F.10 The number of cars arriving at...Ch. F - Prob. 10PCh. F - Prob. 17PCh. F - Prob. 11PCh. F - Question: F.14 Refer to the data in Solved...Ch. F - Prob. 19PCh. F - Prob. 20PCh. F - Prob. 21PCh. F - Prob. 1CSCh. F - Prob. 2CS
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