[Solution] The following probabilistic activity time estimates are for the network in Problem 9-6: Activity a m b 1 4 8 12 2 6 10 15 3 2 10 14 4 1 4 13
Question: The following probabilistic activity time estimates are for the network in Problem 9-6:
| Activity | a | m | b |
| 1 | 4 | 8 | 12 |
| 2 | 6 | 10 | 15 |
| 3 | 2 | 10 | 14 |
| 4 | 1 | 4 | 13 |
| 5 | 3 | 6 | 9 |
| 6 | 3 | 6 | 18 |
| 7 | 2 | 8 | 12 |
| 8 | 9 | 15 | 22 |
| 9 | 5 | 12 | 21 |
| 10 | 7 | 20 | 25 |
| 11 | 5 | 6 | 12 |
| 12 | 3 | 8 | 20 |
Determine the following:
- Expected activity times
- Earliest start and finish times
- Latest start and finish times
- Activity slack
- Critical path
- Expected projecr duration and standard deviation
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