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So doing the math I got.

4 out of 5 has 5 combinations.

3 out of 5 has 10 combinations.

2 out of 5 has 10 combinations.

1 out of 5 has 5 combinations.

Thanks Vato I was also watching this video http://www.khanacademy.org/math/trigonometry/prob_comb/prob_combinatorics_precalc/v/probability-and-combinations--part-2 and half way through I think he...

ok cool I got it now. Is there a quick or easy way of figuring out how many possibilities each scenario would have. I'm going to look at 5 gamers next and that would probably come in handy. Thanks

Does this math work for 4 games as well? I did it with 4 games and it either doesn't make sense or don't add up to 100%.

4 out of 4 9%
3 out of 4 30%
2 out of 4 25%
1 out of 4 20%
0 out of 4...

ok cool thanks man.

So

3 out of 3 16.6%
2 out of 3 40.8%
1 out of 3 33.4%
o out of 3 9.2%

Would that be correct?

If you hit 55% and bet 3 games in a parlay I think it comes out to 16.6% chance on hitting all 3 games. But what are the odds of hitting 2 of those 3 games?