Question: 4. (15 points) Below is a simple project. All durations are given in weeks. Immediate Predecessor Activity B D Duration Optimistic 3 5 5 6

4. (15 points) Below is a simple project. All durations are given in weeks. Immediate Predecessor Activity B D Duration Optimistic 3 5 5 6 A A B.C Most Likely 4 8 9 9 Pessimistic 5 14 19 12 Determine the critical path and answer the following: a) What is the probability the project will be completed in 25 weeks or less? b) What is the probability the project will be completed in 20 weeks or less

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