Jul 23, 2021

Assessing Reliability, Statistical Failure rates

MTBF: calculate series and parallel

Example: If there are two power supplies in a system, with the 2nd for redundancy, what does that do to the resulting statistical failure rate?

With each having an MTBF of 100 hrs, that's 1% chance of failure in 100 hrs.
But both is 0.01 x 0.01 = 0.01% or 10,000 hrs

See this detailed explanation below.

http://answers.google.com/answers/threadview?id=390140

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