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There are numerous studies about the mathematics of roulette. Does math really help to hit the jackpot? Will your chances of betting on the right number be higher? Readout summary to learn all the answers.
Roulette is a game of chance. Your winnings in this game depend on your luck to bet on the right number out of 37 in European roulette and 38 – in the American one. However, many gambling experts and scientists have tried to figure out whether it is possible to predict which number will appear on the wheel. Let’s check it.
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Roulette rules
First of all, recall roulette rules or learn them if it’s your first time at an online casino. There are several types of roulette games with European and American being the most popular gamblers’ picks. Also, Multiwheel, French, and African roulette games are quite widespread at online gambling sites.
Although all these games have their own peculiarities (like numbers of sections or extra rounds), they are united by common rules. To win the game, you have to bet on a particular number to appear on the wheel. The game begins with the player betting on one section (number or color). Then, the dealer spins the wheel in one direction and the ball – in another. If the ball lands on the section you’ve bet on, you win. You can also play roulette games using an online gambling bonus search engine.
Roulette bets and odds
Odds on the roulette depend on its kind. As the most widespread type of roulette is European, let’s take it as an example. So, here is what you get if you choose single bets.
- Even/Odd: 1 to 1 (probability 18/37 – approximately 48.6%)
- Red/Black: 1 to 1 (probability 18/37, which equals 48.6%)
- Low/High (1-18 or 19-36): 1 to 1 (probability 18/37 or ~ 48.6%)
As you remember, European roulette has 37 numbers which are 0-36 with a green zero and thirty-six numbers divided into red and black. Placing a single bet (e.g. on black) gives you an 18/37 chance of winning. The red one has the same winning chances. That means that there is an 18 in 37 chance for you to win this bet, meaning that in 19 out of 37 the bet will lose. How can you predict which color (or number) will appear after the spin? This is what the mathematics of roulette exists for.
Mathematics of roulette
To beat the dealer, online gambling guides for beginners are not enough. Therefore, mathematicians tried to calculate whether it is possible to predict the next winning number/color as well as calculate the house edge.
To calculate HE, the following formula is used: (odds against winning – house odds) * probability of winning * 100 = house edge percentage. In European roulette, it will be (19/18 – 1/1) * 18/37 * 100 = 0.027027027. Therefore, 2.7% is the casino’s house edge in European roulette as well as French. Concerning the American one, it will be 5.6%.
Supposedly, a single bet is your choice in European roulette. As the game has 37 numbers, the probability of any number to come up is 2.7% as 1/37 = 2.7. At the same time, the probability of the same number to come up is 0.73% as (1/37) * (1/37) – 0.73. Such a scenario is quite risky but if you win with the same number two times in a row, you will benefit a lot.
The best choice would be betting on outside bets. Unlike singles, outside bets are made on bigger numbers starting from 12. Also, outside bets can bring you a bigger profit. To learn how to use the mathematics of roulette to win on outside bets, read about roulette gaming strategies.
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