Operations and Supply Chain Management, 9th Edition WileyPLUS Registration Card + Loose-leaf Print Companion
9th Edition
ISBN: 9781119371618
Author: Roberta S. Russell
Publisher: Wiley (WileyPLUS Products)
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Textbook Question
Chapter 9, Problem 5P
For the network in Problem 9.4, determine the earliest start and finish times, latest start and finish times, and slack for each activity. Indicate how the critical path would be determined from this information.
Construct a network from the information in the following table and identify all the paths in the network, compute the length of each, and indicate the critical path.
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Students have asked these similar questions
The table below represents a IS project set of activities, its expected completion time (weeks) and preceding activities.
Activity
Expected Time
(weeks)
Preceding activities
A
5
None
B
4
None
C
10
A
D
8
B
E
14
B
F
6
C, D
G
7
D, E, F
H
3
F, G
Draw a network diagram for the IS project shown above. For each activity, calculate its earliest completion time (TE) and latest completion time (TL). Label TE and TL on the network diagram.
Calculate the slack time for each activity.
The following is the data available for a project:
Activity
Predecessor
Expected Duration (Days)
A
-
12
B
A
9
C
B,E
3
D
-
10
E
D
6
F
E
3
G
-
2
H
G
9
I
E,H
2
Expected duration for the completion of the project. Calculate earliest and latest start and finish times for each activity.
Draw the network diagram for the project and determine the critical path
Duration and requirement of workforce for each activity is tabulated below for a network
Activity
Duration
Number of men
1-2
3
5
2-4
2
3
2-3
3
7
3-4
0
0
3-5
3
2
4-5
7
2
3-6
2
1
5-6
6
6
4-6
5
5
(i) Draw the network and comment on the scheduling of activities to smoothen the development of the workforce
(ii) Indicate the maximum crew size in each case
(iii) Re-schedule the activities for smooth development
(iv) Find the project schedule if only 4 men are available
Chapter 9 Solutions
Operations and Supply Chain Management, 9th Edition WileyPLUS Registration Card + Loose-leaf Print Companion
Ch. 9 - Why is CPM/PERT a popular and widely applied...Ch. 9 - What is the purpose of a CPM/PERT network?Ch. 9 - Why are dummy activities used in a CPM/PERT...Ch. 9 - What is the critical path, and what is its...Ch. 9 - What is slack, and how is it computed?Ch. 9 - How are the mean activity times and activity...Ch. 9 - How is total project variance determined in...Ch. 9 - What is the purpose of project crashing analysis?Ch. 9 - Describe the process of manually crashing a...Ch. 9 - Which method for determining activity time...
Ch. 9 - Explain how a Gantt chart differs from a CPM/PERT...Ch. 9 - Discuss the relationship of direct and indirect...Ch. 9 - Describe the limitations and disadvantages of...Ch. 9 - Describe the difference between activity-on-node...Ch. 9 - Identify and briefly describe the major elements...Ch. 9 - Select an everyday project you are familiar with...Ch. 9 - Prepare a WBS for a spaghetti with meatballs...Ch. 9 - Construct a Gantt chart for the project described...Ch. 9 - Construct a Gantt chart for the project described...Ch. 9 - Use the project activities that follow to...Ch. 9 - Construct a network from the information in the...Ch. 9 - For the network in Problem 9.4, determine the...Ch. 9 - Given the following network with activity times in...Ch. 9 - Given the following network with activity times in...Ch. 9 - A marketing firm is planning to conduct a survey...Ch. 9 - In one of the little-known battles of the Civil...Ch. 9 - A group of developers is building a new shopping...Ch. 9 - The management of a factory is going to erect a...Ch. 9 - Given the following network and probabilistic...Ch. 9 - The Farmers American Bank of Leesburg is planning...
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- The following CPM network has estimates of the normal time in weeks listed for the activities: A(7) B(4) Node A B C D E F G C(2) D(5) F(2) Early Early Start Finish E(4) 1. Identify the critical path and show your answer. Please compute the early start, early finish, late start, late finish time for each node (activities) and Write your answer in the following table. (You may type your answer in a table in MS Word and then paste in the answer box below. Late Start Late Finish G (6) 2. What is the length of time to complete the project? 3. Which activities have slack, and how much?arrow_forwardThe table below show a set of activities of an IS project,its expected completion time (ET) and preceding activities. Activity Preceding Activity Expected Time (ET) A - 7 B A 9 C A,B 5 D C 17 E C 12 F C 7 G D,E,F 10 H D,G 7 Draw a network diagram for the IS project shown above.,and calculate its earliest completion time (TE), latest completion time (TL) and slack time (ST). If the activity E took 16weeks instead of 12weeks to complete ,what impact will it have on the project duration?arrow_forwardPatel and Associates, Inc., is an accounting firm that has three new clients. Project leaders will be assigned to the three clients. Based on the different backgrounds and experiences of the leaders, the various leader-client assignments differ in terms of projected completion times. The possible assignments and the estimated completion times in days are as follows. Min s.t. Ellis Jackson Smith Project Leader Client 1 Jackson Client 2 Client 3 Ellis Smith (a) Develop a network representation of this problem. (Submit a file with a maximum size of 1 MB.) Choose File No file chosen (b) Formulate the problem as a linear program. (Express your answers in the form X;; where X;; is 1 if leader i is assigned to client j and 0 otherwise.) Xij ≥ 0 for all i, j. Solve. Relationship X11 X12 X13 X21 X22 X23 X31 1 X32 2 X33 3 Client 10 16 32 14 22 40 22 24 34 Value Time (days) (c) What is the total time required (in days)? daysarrow_forward
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