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by OZe on April 20th, 2008

OZe

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If I am playing roulette and red comes up 99 times in a row, how likely is it that black will come up next?

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Answers. 18 helpful answers below.

  • by Progressive Thought - Back from the dead on April 20th, 2008

    Progressive Thought - Back from the dead

    The odds don't change...they are the same as they are on any other roll, doesn't matter how many times in a row red came up.

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  • by pitt fans on April 26th, 2008

    pitt fans

    the odds remain the same.. Just under 50/50 because of the Zero & ZeroZero slots. That is why you get paid even money on it because the casino has a little spread in there to make money!

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  • by MrBLT needs to be contained on April 20th, 2008

    MrBLT needs to be contained

    Odds don't change at all - Think of it like this - if you flip a coin 99 times in a row and each time it landed heads, what are th odds the next flip will be tails? 50%

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  • by Eric_B7194 on January 27th, 2011

    Eric_B7194

    Well everyone here is correct. True odds are about 1 in 2 (less 0 and 00). But, on the other hand, 99 reds in a row would be possible.

    Where I live, there is a daily lottery that draws 20 numbers out of a possible 70. You choose to bet on 2 numbers and up. The chances that 2 numbers are drawn together is: (20/70) * (20/70) = 8.1633%

    I started keeping statistics on all possible pairs that are drawn day after day and found out that some pairs can go up to 125 days before being drawn (never found a longer time laps in 5 yrs).

    I now bet on pairs that have gone at least 100 days since last drawn. The odds that a pair goes 100 days is 8.1633% power of 100 = 0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001535999% but it definetly happens.

    See Banco Lottery in Canada.

    Have fun and be carefull of double ups LOL

    Micmerg

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  • by tobes107 on July 27th, 2009

    tobes107

    A roulette ball/spin has no memory! The odds remain the same at 50-50 (unless '0' comes in).

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  • by Adam Lloyd on June 25th, 2009

    Adam Lloyd

    Ah, if you were asking the odds of red coming up 100 times in a row, it would be massive. As it is, it is still just under 50%, as you are only asking if it will be black or red next turn.

    Yes my answer sounds confusing, but if you think about it, it makes sense xD

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  • by Cat on April 28th, 2008

    Cat

    The odds for red to come up 99 times ina row are unbelievable.If that happens then the game is most definately fixed, i'd say.

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  • by Gamer88 on April 26th, 2008

    Gamer88

    Every spin is a new game and the odds remain the same. IF there were no green zeros then it would be 50/50. The odds are better at European Roulette with only ONE green zero, as opposed to American Roulette with a ZERO and a DOUBLE ZERO. If you see red come up 99 times in a row, either bet on red or move to another table. I would hope that you would start betting on red after ten consecutive spins.

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  • by Cantras on April 20th, 2008

    Cantras

    I know the answer is *supposed* to be that it's 50/50, but it feels like it should be infinitely tiny, because you're one away from 100 red in a row, which has a chance of, what, 1 in 2^100, if i remember math right?

    Statistics was made up to confuse me, i swear.

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  • by Marks_A_Lot on September 19th, 2009

    Marks_A_Lot

    Trick Question .... The answers given would claim that the odds are roughly 50/50 ... but think about it.... 99 red in a row.... I would bet on red ... the assumption of a "fair game" is statistically way out of range.... history does matter... thats how they test machines for fairness....

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  • by Old School on June 8th, 2009

    Old School

    In theory, just under 50% (the green "0" and "00") do not count as either black or red.

    However, given that the odds of red turning up are 600 billion billion billion to 1 (that's a 6 followed by 29 zeros), in reality the roulette wheel is almost certainly fixed and the probability that black will come up on the next play is zero.
    .
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  • by Anonymous on June 8th, 2009

    Anonymous

    At some point either 99,999,9999,99999 odds have to tilt towards black otherwise these impossible streaks would actually occur. That is why there is a betting limit.

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  • by dongyang on March 13th, 2009

    dongyang

    I understand how you are confused. but did you realize that a 1/2^99 chance event just happened? does it surprise you if a 1/2 chance event happens to make an 1/2^100 chance event happen?

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  • by Factotum on June 23rd, 2009

    Factotum

    I'm thinking that squeaky wheel needs some grease.

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  • by ThatGuyTed on June 25th, 2009

    ThatGuyTed

    44.5% And then it only pays 2:1 odds, a 5.5% house edge. Good luck. And if you happened to be letting a dollar ride on red that whole time you'd have $316,912,650,057,057,350,374,175,801,344. And probably been kicked out of the casino long ago.

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  • by supercricketman on June 25th, 2009

    supercricketman

    that depends on which color you bet on because obviously the tables rigged to have come up red 99 times in a row.

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  • by Anonymous on June 25th, 2009

    Anonymous

    who cares ud be a millionare for red hitting 99 times.

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  • by persistnt on September 19th, 2009

    persistnt

    The same as always with roulette. Green (OO) could come up. As a R.Player I would be betting big time on black though, 50 bets or so ago, so is it any wonder I always lose.(I would have lost 49 times already)

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