Let’s see now all the bets or plays of the European roulette to which you can bet and what are their probability (not the odds as some pages show, odds and probability are related but are not the same): Simple Bets Once the ball has landed on the number, those who have hit it are rewarded and the dealer keeps the remaining chips from the players who have lost their bets. The bets can be made with the roulette stopped or in movement since the croupier or the machine indicates “ place your bets” and until indicates “ no more bets“.