Following data refers to gas pipe project:
|
Activity
|
Prede-cessor
|
Duration (Weeks)
|
|
Optimistic time, a
|
Most likely time, m
|
Pessimistic time, b
|
|
A
B
C
D
E
F
G
H
|
-
-
A
B
A
C, D
C, D, E
F
|
3
6
4
3
4
5
3
1
|
5
7
5
5
6
8
6
2
|
8
9
9
8
9
11
9
9
|
- Construct Project network.
- Find the expected duration and variance of each activity.
- Find the critical path and expected project completion time.
- What is the probability of completing the project on or before 30 weeks: 30