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Program Evaluation and Review Technique or PERT

Program Evaluation and Review Technique (PERT)

A) Developed by US Navy and a consulting firm in 1958 for the Polaris submarine project.

B) Technique as for CPM method, but activity durations have a range of times that follow a statistical distribution:

  • So, can compute the probability of achieving individual activity durations, and project milestones.
  • Uses the beta distribution, as we considered previously … and will now recap.
  • PERT requires not just expected completion times for activities, but also optimistic and pessimistic estimates.

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