Probability of Failure

Probability of Failure

PR-01
ASPCSPFoundational

Formula
Pf = 1 − R(t)
When to Use

Calculate the probability that a system will fail within a given time period.

Symbol Legend
SymbolMeaningUnitNote
PfProbability of failure )decimal (0 to 1
R(t)Reliabilityprobability of success through time t (decimal (0 to 1))

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