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March 2000

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Subject:
From:
Alan Cochrane <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Fri, 24 Mar 2000 10:05:16 -0800
Content-Type:
text/plain
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text/plain (64 lines)
Ken,
There is a great program out called "statgraphics" it has a module which
is called "forecasting" and it will, given a set of variables, do a
pretty fair job of determining anticipated failure rates.  It also has
every type of graphing function you may want.

Regards,

Alan B. Cochrane


Ken Patel wrote:
>
> Reliability/Quality Guru,
> I received this question from our engineering department.
>
> Currently, they are seeing 1 system crash out of 10 times. They want to
> improve the crash rate to 1 failure every 30 times with 90% confidence
> level. They want to know how many operation "X" they will run with no more
> than "Y" failures with 90% confidence level which will yield 1 failure every
> 30 times.
>
> I do not know how to solve it as haven't practiced it. Am I providing enough
> information or what information is needed to make a sense out of it? What
> kind of model it will fit, Poisson, Binomial, etc?
>
> Any help will be highly appreciated.
>
> re,
> ken patel
>
> ______________________________________________________
> Ken Patel                       Phone:  (408) 490-6804
> 1708 McCarthy Blvd.             Fax:    (408) 490-6859
> Milpitas, CA 95035              Beeper: (888) 769-1808
>
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