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RE: Way OT : Any maths bods around?
- Subject: RE: Way OT : Any maths bods around?
- From: "Andy Laurence" <andy@xxxxxxxxxxxxxxxxxx>
- Date: Mon, 28 Feb 2005 13:56:44 -0000
Ben McCormack <mailto:ben@xxxxxxx>
scribbled on 28 February
2005 13:49:
> OK this is way OT but I have got a query concerning maths and stats.
>
> Right here goes
>
> 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?
It fails once in every 100000 hours, so in 10 hours it'll fail 1/10000
times.
That's worked out by:
_____1_____
(10/100000)
Cheers,
Andy
--
http://www.andylaurence.co.uk
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