Outside bets of roulette is recorded with certain specific differences and similarities posed by collections of the inside bets. To raise a start, it often happens in casinos to be awarded special cards for those who are inside bets. Each player has his own color and all the chips he has exchanged with the same value. The decision on the value of the chips that use the play that has exchanged color chips to bet is the player himself.
Each casino, according to the values that are handled there chip set which values can provide, but which do not actually need to use every play. By contrast, outside bets are made with generic chips are also used in other casino games (blackjack, poker, craps, etc.).
Outside bets called simple luck pay 2 to 1. If you bet 1 chip, if they win you get a form of profit (and the return of the wagered chip). The three modes of luck just work the same way: red or black, odd or even and more or less (also called pass and failure). Doubling the wagered chip is represented, in this example as representative, the probability that the bet to win.
As there are nearly 50 percent chance of getting a hit betting on a simple luck, then the casino pays 2 chips for each wagered chip. There is a margin that it reserves the casino, a kind of tax, called the house edge. The probability of winning is slightly less than 50% and the marginal amount is a fee that the casino keeps.