Well, I got the ones winning and losing on the first roll, but I'm not sure how to find the ones after 'x' amount of rolls.
Win = 8/36
Lose = 4/36
Continue = 24/36
That's what I got. :P But I dunno how to find the probability of winning or losing after getting a "continue."
You can find this problem discussed here: Craps -- from Wolfram MathWorld
(However, the discussion is not in terms of the number of rolls required but in terms of the probability of winning if, for example, the first roll is a 4.)