The Chance of getting 1 black in European roulette is 18/37 which is roughly 0.49 in decimal odds. 10 in a row is (0.49)x(0.49)x(0.49)............ which is 0.00039. This sounds, and is, extremely small but it does happen.
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Your chances of winning in roulette are 1 in 38. If you play on black or red, you will double your money about 45 % of the time. Some people will do better and will come out ahead. For everyone who...