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Pessimistic Duration Task Field. Use the PERT Entry Sheet to specify the optimistic expected and pessimistic durations for each task. The optimistic duration is the shortest reasonable length of time necessary to complete the task while the pessimistic duration is the longest reasonable length of time.
Duration2 Pessimistic Duration and is configured to be 2x the Standard Duration. Description The Pessimistic Duration field contains the worst-case possibility for the total span of active working time expected for a task that is the amount of time from the pessimistic start to the pessimistic finish of a task. Blue background when Duration3 is updated.
Assume that you have met with your project team and have identified immediate.
When you enter a pessimistic duration and pessimistic finish date and then click Calculate PERT on the PERT Analysis toolbar a pessimistic start date for the selected task is calculated and placed in the Pessimistic Start field. Pessimistic time expressed as t p represents estimate of maximum possible time by which an activity can be completed assuming that things may not be in accordance with the plan and there can be incidence of difficulties in carrying out the activity. The beta distribution yields 7 days as the task duration you should use. Duration 3 Most likely duration.