General Studies · Network Analysis PERT and CPM
In the Program Evaluation and Review Technique (PERT), activity durations are assumed to follow a beta distribution because:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It is a unimodal distribution bounded by optimistic and pessimistic estimates, flexible enough to model time uncertainties✓
- 2It has a finite non-negative error only
- 3It is always strictly symmetrical about the mode
- 4It assumes the project is progressing as scheduled
Correct answer
It is a unimodal distribution bounded by optimistic and pessimistic estimates, flexible enough to model time uncertainties
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