A) Two manufacturing facilities are integrating their inventory management systems as a result of operations consolidation. Preliminary analysis and interviews with all parties involved resulted in the following project information. All times are in weeks.
Your task is to identify the following:
1. Critical path
2. Total project completion time
|
ACTIVITY
|
IMMEDIATE PREDECESSORS
|
TIME (IN WEEKS)
|
|
A
|
-
|
3
|
|
B
|
A
|
1
|
|
C
|
A
|
2
|
|
D
|
B,C
|
3
|
|
E
|
C
|
5
|
|
F
|
C
|
3
|
|
G
|
E
|
7
|
|
H
|
E,F
|
5
|
|
I
|
D,G,H
|
8
|
B) Zentaur, Inc. started creating a new digital imaging system. They found out that their has a similar product under study, but has not yet been able to begin production. Because of the competitor's action, top managers have asked for a speedup of R&D activities so that Zentaur can produce and market their system at the soonest possible date. The predecessor information and activity time estimates in months are shown below.
Your task:
1. Identify the critical path
2. Compute activity slack time
3. Identify project completion time
|
Activity
|
Immediate Predecessors
|
Optimistic Time
|
Most Probable Time
|
Pessimistic Time
|
|
A
|
--
|
1
|
1.5
|
5
|
|
B
|
A
|
3
|
4
|
5
|
|
C
|
A
|
1
|
2
|
3
|
|
D
|
B,C
|
3.5
|
5
|
6.5
|
|
E
|
B
|
4
|
5
|
12
|
|
F
|
C,D,E
|
6.5
|
7.5
|
11.5
|
|
G
|
E
|
5
|
9
|
13
|