P)/6,
The most pessimistic (P) case when everything goes wrong
The most optimistic (O) case where everything goes right
The most likely (M) case given normal problems and opportunities
Program (Project) Evaluation and Review Technique Estimation
PERT Estimate Calculator:
Optimistic Value = 10
Most Likely Value = 16
Pessimistic Value = 20
PERT Estimate = 15,67 days