An engineering group needs to set up an assembly line to produce
a new product. The following table describes the relationships
between the activities, their predecessors, and the estimated
activity times (in weeks) for this project. (10 points)
Activity
Immediate
Predecessors)
Optimistic
(Weeks)
Most Likely
(Weeks)
Pessimistic
(Weeks)
A
---
4
7
10
B
A
2
8
20
C
A
8
12
16
D
B
1
2
3
E
D, C
6
8
22
F
C
2
3
4
G...