Problem 3.17

Time

Activity a m b Immediate predecessor/s

A 4 8 10 -

B 2 8 24 A

C 8 12 16 A

D 4 6 10 A

E 1 2 3 B

F 6 8 20 E, C

G 2 3 4 E, C

H 2 2 2 F

I 6 6 6 F

J 4 6 12 D, G, H

K 2 2 3 I, J

1. Find the CP
2. Find the slack activities and their individual values
3. Determine the probability if the project is completed in less than equal to 50