Question: 3. A small project is composed of seven activities whose time estimates are listed in the following table: Beginning Node 1 Ending Node 2 Estimated

3. A small project is composed of seven

3. A small project is composed of seven activities whose time estimates are listed in the following table: Beginning Node 1 Ending Node 2 Estimated Duration (weeks) Optimistic Most Likely Pessimistic 1 1 7 1 3 1 4 7 1 4 2 7 9 2 5 1 1 1 3 5 2 2 14 4 6 2 6 10 5 6 3 3 15 a. Using the classic PERT model, what is the probability that the project will be completed two weeks earlier than its expected duration? b. Based on the classic PERT model, what due date has a 90 percent chance (or greater) of being met

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