Question: Suppose we are using the CPM with three time estimates (PERT) to schedule a project. What is the variance of the length of the critical

Suppose we are using the CPM with three time estimates (PERT) to schedule a project. What is the variance of the length of the critical path, if there is a 92.22% probability that the project will be completed within the expected duration plus three time periods? Select the nearest correct answer.

1.67

2.34

2.96

3.19

4.46

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