The manager of the Oak Hills Swimming Club is planning the club's swimming team program. The first team practice is scheduled for May 1. The activities, their immediate predecessors, and the activity time estimates (in weeks) are as follows:
|
Activity
|
Description
|
Immediate Predecessor
|
Optimistic
|
Time (weeks) Most Probable
|
Pessimistic
|
|
A
|
Meet with board
|
-
|
1
|
1
|
2
|
|
B
|
Hire coaches
|
A
|
4
|
6
|
8
|
|
C
|
Reserve pool
|
A
|
2
|
4
|
6
|
|
D
|
Announce program
|
B, C
|
1
|
2
|
3
|
|
E
|
Meet with coaches
|
B
|
2
|
3
|
4
|
|
F
|
Order team suits
|
A
|
1
|
2
|
3
|
|
G
|
Register swimmers
|
D
|
1
|
2
|
3
|
|
H
|
Collect fees
|
G
|
1
|
2
|
3
|
|
I
|
Plan first practice
|
E, H, F
|
1
|
1
|
1
|
a. Draw a project network.
b. Develop an activity schedule.
c. What are the critical activities, and what is the expected project completion time?
d. If the club manager plans to start the project on February 1, what is the probability the swimming program will be ready by the scheduled May 1 date (13 weeks)? Should the manager begin planning the swimming program before February 1?