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Using Excel Normal Dist for reliability calc?

Discussion in 'Electrical Engineering' started by Trs80, Mar 31, 2008.

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  1. Trs80

    Trs80 Guest

    If given MTBF and standard deviation can the reliabilty be predicted at a
    defined operational range using Excels Normaldistribution?

    say mtbf = 50, sd= 20, then plug in the operating duration.
    NORMDIST(operating duration, 50, 20, true).
    Is that a way to calculate reliability at a specifed duration?
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