Quoth ronnie gauthier:
> 6 out of 40 if they must be picked in order drawn(if number drawn is removed)
> 40*39*38*36*35*34
> else if not removed
> 40*40*40*40*40*40
>
> any 6 out of 40(removed)
> 40*39*38*36*35*34
> -----------------
> 6*5*4*3*2*1
>
> 6 out of 40(removed) with 25 powerballs
> 40*39*38*36*35*34
> ----------------- *25
> 6*5*4*3*2*1
>
> so what you have in one form or another
> n!
> ---- *Pb
> n! (n-k)!
Right. So it is combinations, rather than permutations. That said,
the odds aren't bad at roughly 1:4 million, but still not great.
Kurt
--
Arbitrary systems, pl.n.:
Systems about which nothing general can be said, save "nothing
general can be said."
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