Eric Scharin <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> I have a probability question for the list. I'm a little embarrassed that I
> can't figure it out by myself, but I don't have a probability book with me &
> need the information for a meeting today.
>
> Given a probability of success of X for a manufacturing run, what is the
> probability of obtaining 3 CONSECUTIVE successful runs when running
> N (>=3) runs?
That depends.
Are successive runs independent, or does a a failure affect the prob. of
another failure?
Do you want prob. of exactly one set of exactly three consecutive S's?
Do you want prob of at least one set of exactly three consecutive S's?
Do you want prob. of exactly one set of at least three consecutive S's?
Do you want prob of at least one set of at least three consecutive S's?
(Also, it might be better to use a lowercase letter for the probability
of a success; upper case letters tend to represent random variables.
I suggest using something like p, but x is okay if you want it.)
Glen
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