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Trapped by MTBF

     Fred Schenkelberg
    Reliability Consultant
   fms@fmsreliability.com
   www.fmsreliability.com
   ...
Outline
•   MTBF – calculation
•   MTBF – a very poor four letter acronym
•   History of Use
•   It’s Misleading
•   A bet...
MTBF Calculation

         # hours
MTBF
        # failures


 MTBF     1
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