Answer: False. PERT is calculated by using the following formula:
Opt + 4 x Med + Pess
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Key Takeaways: This places emphasis on most realistic emphasis, but allows for major variation. For instance, if you know there is one thing that might go wrong and set the project way back, you can have a high pessimistic estimate. If your project is like a portfolio of estimates, then you should a distribution of tasks being on time, early and late. If they’re all coming in late, there are either major systemic issues with the project or with your estimating.
