Question: A future project has the following activity relationships and activity time estimates (in days): Activity Immediate Predecessor To Tm Tp A None 4 5 6
A future project has the following activity relationships and activity time estimates (in days):
| Activity | Immediate Predecessor | To | Tm | Tp |
| A | None | 4 | 5 | 6 |
| B | A | 6 | 7 | 13 |
| C | A | 1 | 4 | 7 |
What is the activity variance of activity B?
Numbers only. Keep 3-decimal if not exact, either round up or down is ok.
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