You can follow the discussion on (3) Alan Cooper’s answer to Alice and Bob flip a biased coin, best [math]n[/math] out of [math]2n-1[/math] win. If the probability of Alice winning a flip is [math]p[/math], what is her chance of winning the series? – Quora without having to leave a comment. Cool, huh? Just enter your email address in the form here below and you’re all set.