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Re: Way OT : Any maths bods around?
- Subject: Re: Way OT : Any maths bods around?
- From: "David Buckley" <db@xxxxxxxxxxx>
- Date: Mon, 28 Feb 2005 21:00:23 -0000
--- In ukha_d@xxxxxxx, "Ben McCormack" <ben@t...> wrote:
> An engine on a 747 has a Mean Time Between Failure of 100,000 Hours.
>
> So is there a simple calculation for the probability that an engine
> will fail in a 10 Hour flight?
I'm assuming this is just a abstract statistics question, rather than
a safety-of-flight question.
Engine failure is just one of a complex set of possibilities that can
occur causing death by aircraft, and due to the unusual nature of the
distribution of probabilites of bad things happening, MTBF isnt a
useful measure for liklyhood of death. Probability of death by
aircraft is quoted as a number in terms of MPD, million passenger
departures.
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