Question: Activity Predecessor Optimistic Most likely Peimis A 15 8 25 B 15 8 20 C A,b 6 10 12 D C,D 18 24 26 E
| Activity | Predecessor | Optimistic | Most likely | Peimis |
| A | 15 | 8 | 25 | |
| B | 15 | 8 | 20 | |
| C | A,b | 6 | 10 | 12 |
| D | C,D | 18 | 24 | 26 |
| E | d | 13 | 19 | 25 |
| F | d | 12 | 18 | 23 |
| G | d | 15 | 17 | 19 |
| H | f,g | 22 | 25 | 30 |
| I | e,h | 11 | 15 | 17 |
1.1 using pert formula calculate the time for each activity.
2.2 calculate the variance.
2.3 construct a net work diagram.
4.4 identify the critical path.
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