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Which of the following is deterministic model?

  • A.Only PERT
  • B.Only CPM
  • C.Both CPM and PERT but in separate scenarios
  • D.Neither CPM nor PERT

Answer: B

CPM is a deterministic model, as the key states. In the critical path method the durations of activities are known and fixed, so there is no uncertainty, while PERT uses three time estimates (optimistic, most likely and pessimistic) for each activity, and so it is a probabilistic model. The options that name PERT or both, or neither, are wrong.

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