Ben Bucksch schrieb:
> > I'm not sure that overall MTBF is all that useful. It might be better
> > to say that x% of users should have at least n hours MTBF.
 
> As for concrete values, I'd suggest:
> 90% users: MTBF > 250 h
> 99% users: MTBF > 50 h
> MTBF average: 500 h

Complicate to test. Just make it an accetable MTBF and standard
deviation value. By this you capture that as well.

Sebastian

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