a. Determine the expected project completion time and the variance. b. What is the project's critical path? c. Determine the probability that the project will be completed in 40 weeks or less.
a. Determine the expected project completion time and the variance. b. What is the project's critical path? c. Determine the probability that the project will be completed in 40 weeks or less.
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
Related questions
Question
![PERT-CPM
Yu and Mi Company is planning to computerize its accounting system. Its IT consultant has determined the
following activities required to complete this project together with the time estimates and precedence
relationships.
Time estimates (weeks)
Optimistic Most Likely Pessimistic
5
Activity Description
Predecessor
Recruit project personnel
System development
System training
Equipment training
Manual system test
Prel. System changeover
Computer-personnel interface
Equipment redesign
Equipment testing
J
A
8
12
17
B
3
15
C
A
4
7
10
D
A
8
23
В. С
В. С
D, E
D, E
E
F
1
1
1
1
4
13
3
H
1
2.5
7
I
H
1
1
1
System debugging and installation
Equipment changeover
F, G
G, I
K
5
8.
11
a. Determine the expected project completion time and the variance.
b. What is the project's critical path?
c. Determine the probability that the project will be completed in 40 weeks or less.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F404791b1-a639-4baf-9a0b-c72efdee637d%2Fbfd04b94-ce78-461e-b661-818bd7dfc275%2Fpg0usm_processed.jpeg&w=3840&q=75)
Transcribed Image Text:PERT-CPM
Yu and Mi Company is planning to computerize its accounting system. Its IT consultant has determined the
following activities required to complete this project together with the time estimates and precedence
relationships.
Time estimates (weeks)
Optimistic Most Likely Pessimistic
5
Activity Description
Predecessor
Recruit project personnel
System development
System training
Equipment training
Manual system test
Prel. System changeover
Computer-personnel interface
Equipment redesign
Equipment testing
J
A
8
12
17
B
3
15
C
A
4
7
10
D
A
8
23
В. С
В. С
D, E
D, E
E
F
1
1
1
1
4
13
3
H
1
2.5
7
I
H
1
1
1
System debugging and installation
Equipment changeover
F, G
G, I
K
5
8.
11
a. Determine the expected project completion time and the variance.
b. What is the project's critical path?
c. Determine the probability that the project will be completed in 40 weeks or less.
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 6 steps with 7 images
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Recommended textbooks for you
![Practical Management Science](https://www.bartleby.com/isbn_cover_images/9781337406659/9781337406659_smallCoverImage.gif)
Practical Management Science
Operations Management
ISBN:
9781337406659
Author:
WINSTON, Wayne L.
Publisher:
Cengage,
![Operations Management](https://www.bartleby.com/isbn_cover_images/9781259667473/9781259667473_smallCoverImage.gif)
Operations Management
Operations Management
ISBN:
9781259667473
Author:
William J Stevenson
Publisher:
McGraw-Hill Education
![Operations and Supply Chain Management (Mcgraw-hi…](https://www.bartleby.com/isbn_cover_images/9781259666100/9781259666100_smallCoverImage.gif)
Operations and Supply Chain Management (Mcgraw-hi…
Operations Management
ISBN:
9781259666100
Author:
F. Robert Jacobs, Richard B Chase
Publisher:
McGraw-Hill Education
![Practical Management Science](https://www.bartleby.com/isbn_cover_images/9781337406659/9781337406659_smallCoverImage.gif)
Practical Management Science
Operations Management
ISBN:
9781337406659
Author:
WINSTON, Wayne L.
Publisher:
Cengage,
![Operations Management](https://www.bartleby.com/isbn_cover_images/9781259667473/9781259667473_smallCoverImage.gif)
Operations Management
Operations Management
ISBN:
9781259667473
Author:
William J Stevenson
Publisher:
McGraw-Hill Education
![Operations and Supply Chain Management (Mcgraw-hi…](https://www.bartleby.com/isbn_cover_images/9781259666100/9781259666100_smallCoverImage.gif)
Operations and Supply Chain Management (Mcgraw-hi…
Operations Management
ISBN:
9781259666100
Author:
F. Robert Jacobs, Richard B Chase
Publisher:
McGraw-Hill Education
![Business in Action](https://www.bartleby.com/isbn_cover_images/9780135198100/9780135198100_smallCoverImage.gif)
![Purchasing and Supply Chain Management](https://www.bartleby.com/isbn_cover_images/9781285869681/9781285869681_smallCoverImage.gif)
Purchasing and Supply Chain Management
Operations Management
ISBN:
9781285869681
Author:
Robert M. Monczka, Robert B. Handfield, Larry C. Giunipero, James L. Patterson
Publisher:
Cengage Learning
![Production and Operations Analysis, Seventh Editi…](https://www.bartleby.com/isbn_cover_images/9781478623069/9781478623069_smallCoverImage.gif)
Production and Operations Analysis, Seventh Editi…
Operations Management
ISBN:
9781478623069
Author:
Steven Nahmias, Tava Lennon Olsen
Publisher:
Waveland Press, Inc.