What are the chances of winning 5, 6, 7 etc, bets in a row - IF the odds are 50-50, 55-45, 45-55 etc? I'm looking for a math Formula, so I can input the data, and figure it out for myself. Maybe there's a website, that would help? thanks marc

Compound Probability... http://www.infoplease.com/ce6/sci/A0860530.html If you want to get more exotic than your example try Binominal Probability... http://www.mathwords.com/b/binomial_probability_formula.htm