The following probabilistic activity time estimates are for a CPM/PERT network.
Time Estimates (days) Time Estimates (days)
Activity a m b Activity a m b
1 1 2 6 7 1 1.5 2
2 1 3 5 8 1 3 5
3 3 5 10 9 1 1 5
4 3 6 14 10 2 4 9
5 2 4 9 11 1 2 3
6 2 3 7 12 1 1 1
Determine the following using an aon diagram:
a. Expected activity times
b. Earliest start and finish times
c. Latest start and finish times
d. Activity Slack
e. Critical Path
Expected Project duration and standard deviation.