Path ranking on risk probabilistic

In addition to the expected duration, estimates on pessimistic and optimistic durations are added to each activity. These estimates are based on the experience of the project managers involved. With this extra information a Monte Carlo simulation is carried out. A counter keeps track of how many times a particular path through the network is critical. This results in the ranking shown in Table 11.2. It shows four relevant paths that did not show in the ranking based on slack (G, H, I, and J). These new paths clearly are of significance, especially because one of the new paths is ranked first (path G).

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