The estimated times and immediate predecessors for the activities in a project at John Black’s company

| September 28, 2018

The estimated times and immediate predecessors for the activities in a project at John Black’s company are given in the following table. Assume that the activity times are independent. All times are in weeks.ActivityPredecessorsOptimistic Time (a)Most Likely Time (m)Pessimistic Time (b)A–246B–129CA246DB5817EC3411What is the critical path? You may use any method to determine this.What is the expected completion time of the project?What is the probability of completing the project in 16 weeks or more?

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