Question: How do I calculate what the expected and variance will be on this chart? ACTIVITY PRECEEDED BY FOLLOWED BY OPTIMISTIC MOST LIKELY PESSIMISTIC EXPECTED VARIANCE
How do I calculate what the expected and variance will be on this chart?
| ACTIVITY | PRECEEDED BY | FOLLOWED BY | OPTIMISTIC | MOST LIKELY | PESSIMISTIC | EXPECTED | VARIANCE | |||||||||
| A | -- | B, C | 1 | 2 | 3 | |||||||||||
| B | A | D | 1 | 3 | 5 | |||||||||||
| C | A | F | 2 | 4 | 6 | |||||||||||
| D | B | E | 2 | 4 | 5 | |||||||||||
| E | D | G | 2 | 3 | 4 | |||||||||||
| F | C | H | 3 | 5 | 6 | |||||||||||
| G | E | H | 1 | 2 | 3 | |||||||||||
| H | F, G | -- | 2 | 3 | 4 | |||||||||||
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