--- In [email protected], "Stefan Pochmann"
<[EMAIL PROTECTED]> wrote:
> >
> > Is it 75%? 50% of the time you get one parity, and 50% of the time
> > you don't get it, you get the other.
>
> That's correct. Can you write it as a concise formula?
.50 + (.50*.50) = .75
Px + (Pnotx*Py) = .75
where P is probability
Is that right at least? :)
> > 7/8 * 31/108 .251
> > 5/6 * 51/648 .065
> > 26/27 * 9/24 .574
> > 11/12 * 7/24 .267
> > ------------ ----
> > 1.16
> > So, dividing 41% by 1.16 we get ~35%.
>
> Hmm, that stuff looks like mystery to me :-)
> Where do you get all those numbers like 648 from?
>
> Cheers!
> Stefan
The first numbers were all the probabilities of not getting a skip in
a particular step, the second numbers are the probabilities of getting
a skip in the other steps, and the farthest to the right numbers are
the results from each line. The 648 was a common denominator (read: I
was too lazy to find a nicer common multiple for 24 and 27). And
this, kids, is why Mike is not a math major.
-Mike
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