Question: Consider the following work breakdown structure: What is the Standard Deviation of activity D? Time Estimates (days) Activity Precedes Optimistic Most Likely Pessimistic Start A,B
Consider the following work breakdown structure: What is the Standard Deviation of activity D?
|
| Time Estimates (days) | |||||||||
| Activity | Precedes | Optimistic | Most Likely | Pessimistic | ||||||
| Start | A,B |
| - |
|
| - |
|
| - |
|
| A | C,D |
| 44 |
|
| 50 |
|
| 56 |
|
| B | D |
| 45 |
|
| 60 |
|
| 75 |
|
| C | E |
| 42 |
|
| 45 |
|
| 48 |
|
| D | F |
| 31 |
|
| 40 |
|
| 49 |
|
| E | F |
| 27 |
|
| 36 |
|
| 39 |
|
| F | End |
| 58 |
|
| 70 |
|
| 82 |
|
| 3. | ||
| 5. | ||
| 9. | ||
| 6. | ||
| 25. |
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