“Inside” bets involve selecting either the precise quantity on which the ball will land, or a small group of numbers adjacent to one another on the layout. “Outside” bets, by contrast, enable gamers to select a larger group of numbers primarily based on properties similar to their shade or parity (odd/even). The payout odds for every type of bet are based mostly on its probability. Roulette (named after the French word meaning “little wheel”) is a casino sport which was likely developed from the Italian sport Biribi. In the sport, a participant may choose to put a guess on a single number, varied groupings of numbers, the colour red or black, whether or not the number is odd and even, or if the quantity is excessive or low.