EBK PRINCIPLES OF OPERATIONS MANAGEMENT
10th Edition
ISBN: 8220102744059
Author: HEIZER
Publisher: PEARSON
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Chapter 3, Problem 30P
a)
Summary Introduction
To decide: The action to be taken to reduce the critical path by one day.
Introduction: In the activity on nodes (AON) project network diagram, the nodes denote activities and the arrows show only the precedence and succession sequence.
b)
Summary Introduction
To decide: The action to be taken to reduce the critical path by one additional day.
c)
Summary Introduction
To determine: The total cost for 2-day reduction.
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Development of Version 2.0 of a particular accounting software product is being considered by Jose Noguera's technology firm in Baton Rouge. The activities necessary for the completion of this project are listed in the following table:
Activity
Normal Time (weeks)
Crash Time (weeks)
Normal Cost
Total Cost with Crashing
Immediate Predecessor(s)
A
4
3
$2,100
$2,750
—
B
2
1
$2,300
$3,100
—
C
3
3
$600
$600
—
D
8
4
$2,400
$2,720
A
E
6
3
$1,000
$1,450
B
F
3
2
$3,000
$4,400
C
G
4
2
$1,500
$2,000
D, E
a) Based on the given information regarding the activities for the project, the project length =
enter your response here
weeks.
b) The total cost required for completing this project on normal time =
$enter your response here.
c) For…
Development of Version 2.0 of a particular accounting software product is being considered by Jose Noguera's technology firm in Baton Rouge. The activities necessary for the completion of this project are listed in the following table:
Activity
Normal Time (weeks)
Crash Time (weeks)
Normal Cost
Total Cost with Crashing
Immediate Predecessor(s)
A
4
3
$2,100
$2,800
—
B
2
1
$2,300
$3,100
—
C
3
3
$600
$600
—
D
8
4
$2,400
$2,680
A
E
6
3
$1,000
$1,450
B
F
3
2
$3,200
$4,600
C
G
4
2
$1,400
$2,000
D, E
Part 2
a) Based on the given information regarding the activities for the project, the project length =
enter your response here
weeks.
Three activities are candidates for crashing on a project network for a large computer installation (all are, of course, critical).
Activity details are in the following table:
Activity Normal Time (days) Crash Time (days) Normal Cost Total Cost with Crashing Immediate Predecessor(s)
A
6
$6,000
$6,400
B
$1,200
$3,000
C
11
$4,000
$6,000
a) Activity that should be crashed first to reduce the project duration by 1 day is
b) Activity that should be crashed next to reduce the project duration by one additional day is
c) Total cost of crashing the project by 2 days = $_____ (Enter your response as an integer.)
7
4
2
9
A
B
---
Chapter 3 Solutions
EBK PRINCIPLES OF OPERATIONS MANAGEMENT
Ch. 3 - Ethical Dilemma Two examples of massively...Ch. 3 - Give an example of a situation in which project...Ch. 3 - Explain the purpose of project organization.Ch. 3 - What are the three phases involved in the...Ch. 3 - What are some of the questions that can be...Ch. 3 - Define work breakdown structure. How is it used?Ch. 3 - What is the use of Gantt charts in project...Ch. 3 - What is the difference between an...Ch. 3 - What is the significance of the critical path?Ch. 3 - what would a project manager have to do to crash...
Ch. 3 - Prob. 10DQCh. 3 - Define earliest start, earliest finish, latest...Ch. 3 - Students are sometimes confused by the concept of...Ch. 3 - Prob. 13DQCh. 3 - Prob. 14DQCh. 3 - Would a project manager ever consider crashing a...Ch. 3 - How is the variance of the total project computed...Ch. 3 - Describe the meaning of slack, and discuss how it...Ch. 3 - How can we determine the probability that a...Ch. 3 - Name some of the widely used project management...Ch. 3 - What is the difference between the waterfall...Ch. 3 - The work breakdown structure (WBS) for building a...Ch. 3 - James Lawson has decided to run for a seat as...Ch. 3 - Prob. 3PCh. 3 - Refer to the table in Problem 3.3. a) Draw the AON...Ch. 3 - Draw the activity-on-node (AON) project network...Ch. 3 - Given the activities whose sequence is described...Ch. 3 - Prob. 7PCh. 3 - Roger Ginde is developing a program in supply...Ch. 3 - Prob. 9PCh. 3 - The activities described by the following table...Ch. 3 - Prob. 11PCh. 3 - The activities needed to build a prototype laser...Ch. 3 - Dave Fletcher (sec Problem 3.12) was able to...Ch. 3 - The Rover 6 is a new custom-designed sports car....Ch. 3 - Ross Hopkins, president of Hopkins Hospitality,...Ch. 3 - A renovation of the gift shop at Orlando Amway...Ch. 3 - Kelle Carpet and Trim installs carpet in...Ch. 3 - The estimated times and immediate predecessors for...Ch. 3 - Rich Cole Control Devices, Inc., produces...Ch. 3 - Four Squares Productions, a firm hired to...Ch. 3 - Prob. 23PCh. 3 - Prob. 28PCh. 3 - Prob. 29PCh. 3 - Prob. 30PCh. 3 - Development of Version 2.0 of a particular...Ch. 3 - Prob. 32PCh. 3 - Prob. 1CSCh. 3 - Prob. 2CSCh. 3 - Prob. 3CSCh. 3 - Prob. 1.1VCCh. 3 - Prob. 1.2VCCh. 3 - Project Management at Arnold Palmer Hospital The...Ch. 3 - Prob. 1.4VCCh. 3 - Managing Hard Rocks Rockfest At the Hard Rock...Ch. 3 - Managing Hard Rocks Rockfest At the Hard Rock...Ch. 3 - Managing Hard Rocks Rockfest At the Hard Rock...Ch. 3 - Managing Hard Rocks Rockfest At the Hard Rock...
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- Development of Version 2.0 of a particular accounting software product is being considered by Jose Noguera's technology firm in Baton Rouge. The activities necessary for the completion of this project are listed in the following table: Activity Normal Time (weeks) Crash Time (weeks) Normal Cost Total Cost with Crashing Immediate Predecessor(s) A 44 33 $ 2 comma 100$2,100 $ 2 comma 700$2,700 long dash— B 22 11 $ 2 comma 200$2,200 $ 2 comma 900$2,900 long dash— C 33 33 $ 500$500 $ 500$500 long dash— D 88 44 $ 2 comma 500$2,500 $ 2 comma 820$2,820 A E 66 33 $ 1 comma 000$1,000 $ 1 comma 300$1,300 B F 33 22 $ 3 comma 400$3,400 $ 4 comma 800$4,800 C G 44 22 $ 1 comma 500$1,500 $ 2 comma 000$2,000 D, E Part 2 a) Based on the given information…arrow_forwardDevelopment of Version 2.0 of a particular accounting software product is being considered by Jose Noguera's technology firm in Baton Rouge. The activities necessary for the completion of this project are listed in the following table: Activity Normal Time (weeks) Crash Time (weeks) Normal Cost Total Cost with Crashing Immediate Predecessors(s) A 4 3 $2,200 $2,850 --- B 2 1 $2,100 $2,700 --- C 3 3 $750 $750 --- D 8 4 $2,500 $2,800 A E 6 3 $800 $1,250 B F 3 2 $3,200 $4,400 C G 4 2 $1,400 $1,800 D, E a) Based on the given information regarding the activities for the project, the project length = _______ weeks ? b) The total cost required for completing this project on normal time = _______ ? c) If you wish to reduce the time required to complete this project by 1 week, which activity should be crashed, and how much will this increase the total cost? The critical path with the longest length through the project is _______ ? Note:- Do not provide…arrow_forwardThree activities are candidates for crashing on a project network for a large computer installation (all are, of course, critical). Activity details are in the following table: Activity A B C Normal Time Crash Time Normal (days) (days) Cost 7 6 4 11 2 9 $5,000 $1,400 $4,000 Total Cost with Immediate Crashing Predecessor(s) $5,600 $3,300 $6,400 a) Activity that should be crashed first to reduce the project duration by 1 day is A b) Activity that should be crashed next to reduce the project duration by one additional day is A B A B C ect: 0arrow_forward
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