Operations and Supply Chain Management
14th Edition
ISBN: 9780078024023
Author: F. Robert Jacobs
Publisher: MCG
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Question
Chapter 10, Problem 8OQ
a)
Summary Introduction
To determine: The average customer time in the system.
b)
Summary Introduction
To determine: The average customer time in the system.
c)
Summary Introduction
To determine: Whether the system waiting time is less than the value in part (b).
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a/ a
Minimum cost
assign each worker for one job at
Jobs
J1
12
33
WI
2
4
6
W2
5
W3
5
33
6
7
وبة واضافة هذه القيمة الى القيم
Ex: Assign each job for each worker at minimum total Cost
عمل لكل عامل وبأقل كلفة ممكنة
obs الأعمال
Workors العمال
J1 J2 J3 J4
W₁ 15 13 14 12
W2 11 12 15 13
W3 13 12 10 11
W4 15 17 14 16
The average completion time (flow time) for the sequence developed using the FCFS rule = 11.75 days (round your
response to two decimal places).
The percentage utilization for the sequence developed using the FCFS rule = 42.55 % (enter your response as a
percentage rounded to two decimal places).
b) Using the SPT (shortest processing time) decision rule for sequencing the jobs, the order is (to resolve a tie, use the
order in which the jobs were received):
An Alabama lumberyard has four jobs on order, as shown in the following table. Today is day 205 on the yard's
schedule. In what sequence would the jobs be ranked according to the decision rules on the left:
Job
Due Date
A
212
B
209
C
208
D
210
Duration (days)
6
3
3
8
Sequence
1
Job
B
2
3
4
A
D
The average tardiness (job lateness) for the sequence developed using the SPT rule = 5.00 days (round your
response to two decimal places).
The average completion time (flow time) for the sequence developed using the SPT rule = 10.25 days…
Chapter 10 Solutions
Operations and Supply Chain Management
Ch. 10 - Prob. 1DQCh. 10 - In what way might the first-come, first-served...Ch. 10 - Prob. 3DQCh. 10 - Prob. 4DQCh. 10 - Prob. 5DQCh. 10 - Prob. 6DQCh. 10 - Prob. 7DQCh. 10 - Prob. 8DQCh. 10 - Prob. 9DQCh. 10 - Prob. 10DQ
Ch. 10 - What are the pros and cons of starting a...Ch. 10 - Prob. 12DQCh. 10 - Prob. 1OQCh. 10 - Prob. 2OQCh. 10 - Prob. 3OQCh. 10 - Prob. 4OQCh. 10 - Prob. 5OQCh. 10 - Prob. 6OQCh. 10 - Prob. 7OQCh. 10 - Prob. 8OQCh. 10 - Prob. 9OQCh. 10 - Prob. 10OQCh. 10 - Prob. 11OQCh. 10 - Prob. 12OQCh. 10 - Prob. 13OQCh. 10 - Prob. 14OQCh. 10 - Prob. 15OQCh. 10 - Prob. 16OQCh. 10 - Prob. 17OQCh. 10 - Prob. 18OQCh. 10 - Prob. 19OQCh. 10 - Prob. 20OQCh. 10 - Prob. 21OQCh. 10 - Prob. 22OQCh. 10 - Prob. 23OQCh. 10 - Prob. 24OQCh. 10 - Prob. 25OQCh. 10 - Prob. 26OQCh. 10 - Prob. 1CQCh. 10 - Prob. 2CQCh. 10 - Prob. 3CQCh. 10 - Prob. 1AECh. 10 - Prob. 2AECh. 10 - Prob. 3AECh. 10 - Prob. 4AECh. 10 - Prob. 5AECh. 10 - Prob. 6AECh. 10 - Prob. 7AECh. 10 - Prob. 8AECh. 10 - Prob. 1PECh. 10 - Prob. 2PECh. 10 - Prob. 3PECh. 10 - Prob. 4PECh. 10 - Prob. 5PECh. 10 - Prob. 6PECh. 10 - Prob. 7PECh. 10 - Prob. 8PECh. 10 - Prob. 9PECh. 10 - Prob. 10PECh. 10 - Prob. 11PE
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