Critical path method/ Program Review Technique using normal distribution.
Tom, a director of Management Resources, Inc., is in the procedure of designing a program that his customers can use in job finding process. Some of the activities include preparing resumes, writing letters, making appoints, researching companies, and so on. Some of information on the activities is shown in the following table:
|
|
Days
|
Immediate Predecessors
|
|
Activity
|
a
|
b
|
c
|
|
|
|
A
|
8
|
10
|
12
|
-
|
|
B
|
6
|
7
|
9
|
-
|
|
C
|
3
|
3
|
4
|
-
|
|
D
|
10
|
20
|
30
|
A
|
|
E
|
6
|
7
|
8
|
C
|
|
F
|
9
|
10
|
11
|
B, D, E
|
|
G
|
6
|
7
|
10
|
B, D, E
|
|
H
|
4
|
15
|
16
|
F
|
|
I
|
10
|
11
|
13
|
F
|
|
J
|
6
|
7
|
8
|
G, H
|
|
K
|
4
|
7
|
8
|
I, J
|
|
L
|
1
|
2
|
4
|
G, H
|
Determine the prospect that the project will be completed in 80 days or less.