a) Develop a project network for this problem. b) Determine the expected duration and variance for each activity.  c) Determine the EST, EFT, LST, LFT, and slack for each activity.

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
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A plant is acquiring new production machinery. Before the machinery can be fully functional, a number of activities must be performed. The activities, their precedence relationships, and their durations are shown in the following table.

 

Days

 

Activity

a

m

b

Immediate Predecessors

A

6

8

10

-

B

4

5

6

-

C

1

2

3

-

D

8

18

28

A

E

4

5

6

C

F

7

8

9

B, D, E

G

4

5

9

B, D, E

H

12

13

14

F

I

8

9

10

F

J

4

5

6

G, H

K

2

5

8

I, J

L

1

2

6

G, H

a) Develop a project network for this problem.

b) Determine the expected duration and variance for each activity. 

c) Determine the EST, EFT, LST, LFT, and slack for each activity.

d) What is the critical path and project completion time? 

e) What is the probability that the job will finish in 59 days or less?

f) What is the probability that the job will finish in 54 days or more?

g) Submit your excel file

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) Determine the EST, EFT, LST, LFT, and slack for each activity.

d) What is the critical path and project completion time? 

e) What is the probability that the job will finish in 59 days or less?

f) What is the probability that the job will finish in 54 days or more?

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ISBN:
9781337406659
Author:
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Publisher:
Cengage,