Anyone ever see one color hit 9 times in a row?
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Actually tennis season started a few days ago
SBR Founder Join Date: 9/8/2005
I'm amazed that people would play roulette, online or live. why do casinos need to cheat you when they already have over a 5% advantage? And the people that play these games are NOT sharp... I know a sportsbook that profiles any player who loses much in the casino as an "idiot", and ignores their bets on the sportsbook side.
The odds before the streak started that the next 10 would all be same color would be greater than 2 to the 10th power (> 1 out of 1000 due to zeroes). But you really can't look at it that way because each spin is independent of previous spins and subsequently each spin has about a 50:50 chance of being red or black (not accounting for zeroes). Do yourself a favor, stop playing that game.
SBR Founder Join Date: 10/26/2005
It's actually a bit better than that.
He didn't ask what the probability was of hitting 9 reds in a row, or of hitting 9 blacks in a row -- but rather of hitting 9 in a row of any color.
So in European roulette (single 0) the probability of 9 blacks in a row would be: (18/37)9 ≈ 0.1526% (about 1 out of 655)
9 reds in a row: (18/37)9 ≈ 0.1526%
9 greens in a row: (1/37)9 ≈ 7.695×10-15 (about 1 out of 129 trillion)
So the probability of hitting 9 in a row of a single color would be 0.1526% + 0.1526% + 7.695×10-15 ≈ 0.3053% or about 1 in 328 times.
Out of 1,000 spins you'd expect to see such a streak occur at least once with probability of roughly 78%.
SBR Founder Join Date: 8/28/2005
Agreed.
Of course the house edge on European roulette (the game pictured in the original post) is "only" 2.703%. That's less than 60% of the vig on a single game at -110.
Of course the typical roulette player will play many more spins than the typical sports bettor will play games ..
SBR Founder Join Date: 8/28/2005