Pessimistic Time in Project Evaluation and Review Technique Formulas

A Pessimistic Time is the longest time that an activity could take if everything is wrong. And is denoted by t_p. Pessimistic Time is usually measured using the Day for Time. Note that the value of Pessimistic Time is always positive. Typically, the value of Pessimistic Time is greater than 0.

Formulas to find Pessimistic Time in Project Evaluation and Review Technique

fxPessimistic Time given Expected TimeGo

fxPessimistic Time given Standard DeviationGo

Project Evaluation and Review Technique formulas that make use of Pessimistic Time

fxMean or Expected TimeGo

fxOptimistic Time given Expected TimeGo

fxMost Likely Time given Expected TimeGo

fxStandard Deviation of ActivityGo

fxOptimistic Time given Standard DeviationGo

List of variables in Project Evaluation and Review Technique formulas

fx Mean Time Go

fx Optimistic Time Go

fx Most Likely Time Go

fx Standard Deviation Go

FAQ

What is the Pessimistic Time?

A Pessimistic Time is the longest time that an activity could take if everything is wrong. Pessimistic Time is usually measured using the Day for Time. Note that the value of Pessimistic Time is always positive. Typically, the value of Pessimistic Time is greater than 0.

Can the Pessimistic Time be negative?

No, the Pessimistic Time, measured in Time cannot be negative.

What unit is used to measure Pessimistic Time?

Pessimistic Time is usually measured using the Day[d] for Time. Second[d], Millisecond[d], Microsecond[d] are the few other units in which Pessimistic Time can be measured.

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