O = Optimistic time/ Best Case Scenario

M = Most Likely

P = Pessimistic Time / Worst Case Scenario

1. Calculate the Float/Slack on the non-critical activities and state whether it is Total Float or Free Float.
2. What is the standard deviation for each activity?

TASK TIME (Days) PRECEDING

TASK O M P TASK

A 3 5 7 -----

B 8 9 10 -----

C 1 2 3 A

D 5 10 15 B

E 5 7 9 B

F 4 5 6 C, D

G 3 4 5 D, E

H 5 7 9 F, G