Doug Casey is in charge of planning and coordinating next spring's sales management training program for his company. Doug listed the following activity information for this project:
|
Activity
|
Description
|
Immediate Predecessor
|
Optimistic
|
Time (weeks) Most Probable
|
Pessimistic
|
|
A
|
Plan topic
|
-
|
1.5
|
2.0
|
2.5
|
|
B
|
Obtain speakers
|
A
|
2.0
|
2.5
|
6.0
|
|
C
|
List meeting locations
|
-
|
1.0
|
2.0
|
3.0
|
|
D
|
Select location
|
C
|
1.5
|
2.0
|
2.5
|
|
E
|
Finalize speaker travel plans
|
B, D
|
0.5
|
1.0
|
1.5
|
|
F
|
Make final check with speakers
|
E
|
1.0
|
2.0
|
3.0
|
|
G
|
Prepare and mail brochure
|
B, D
|
3.0
|
3.5
|
7.0
|
|
H
|
Take reservations
|
G
|
3.0
|
4.0
|
5.0
|
|
I
|
Handle last-minute details
|
F, H
|
1.5
|
2.0
|
2.5
|
a. Draw a project network.
b. Prepare an activity schedule.
c. What are the critical activities and what is the expected project completion time?
d. If Doug wants a 0.99 probability of completing the project on time, how far ahead of the scheduled meeting date should he begin working on the project?