Tangential, speaking of coin-flipping and statistics: https://en.wikipedia.org/?title=Two-up https://en.wikipedia.org/?title=Two-up Two-up ("Come in, spinner!"

Tangential, speaking of coin-flipping and statistics: https://en.wikipedia.org/?title=Two-up https://en.wikipedia.org/?title=Two-up Two-up ("Come in, spinner!") is a coin-flipping gambling game where people bet on whether a punter will come up double-heads or double-tails. The house makes it's money when neither come up five times in a row (with some variations).