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- - - - line indicates slack indicates activity schedule
G
9
12
9
12
0
critical
c. Slack = 2 for activity D
6. a. Completion time of the project = 9
b. The critical path is B – D – G
7. a.
Activity
Te
Vari
A
6.166
1.361
critical
B
9.000
2.777
critical
C
4.166
1.361
critical
D
7.166
0.694
critical
E
5.000
1.000
F
5.166
1.361
critical
b. The expected project completion time is E(T) = 31.664
Critical path is A-B-C-D-F
A
B
D
F
8. a.
Activity
Te
Vari
A
8.833
0.694
critical
B
3.166
0.250
C
7.333
1.777
critical
D
3.166
0.694
critical
E
4.166
0.694
critical
F
2.166
0.250
critical
G
5.166
0.250
critical
A
B
E
G
9. a.
B
8 days
E
5 days
10. a. The T.A. should perform activity D to reduce the project completion time by one day.
The cost will be the total cost for the project plus $150 for crashing activity D by one day.
The project completion time is 8 days.
b. Now there are two critical paths (B-D-G) and also (C-G), both are 8 days long. To
G
9
12
9
12
0
critical
c. Slack = 2 for activity D
6. a. Completion time of the project = 9
b. The critical path is B – D – G
7. a.
Activity
Te
Vari
A
6.166
1.361
critical
B
9.000
2.777
critical
C
4.166
1.361
critical
D
7.166
0.694
critical
E
5.000
1.000
F
5.166
1.361
critical
b. The expected project completion time is E(T) = 31.664
Critical path is A-B-C-D-F
A
B
D
F
8. a.
Activity
Te
Vari
A
8.833
0.694
critical
B
3.166
0.250
C
7.333
1.777
critical
D
3.166
0.694
critical
E
4.166
0.694
critical
F
2.166
0.250
critical
G
5.166
0.250
critical
A
B
E
G
9. a.
B
8 days
E
5 days
10. a. The T.A. should perform activity D to reduce the project completion time by one day.
The cost will be the total cost for the project plus $150 for crashing activity D by one day.
The project completion time is 8 days.
b. Now there are two critical paths (B-D-G) and also (C-G), both are 8 days long. To
