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  2. Advantage gambling - Wikipedia

    en.wikipedia.org/wiki/Advantage_gambling

    Bookmaker B has the Jets as just a 2-point favorite. The advantage player may bet the Bills +4 with Book A and then the Jets -2 with Book B. If the Jets win by 3, the advantage player collects on both bets. If the Jets win by either 2 or 4, the advantage player collects on one winning bet and the other "push."

  3. Mathematics of bookmaking - Wikipedia

    en.wikipedia.org/wiki/Mathematics_of_bookmaking

    Decimal odds are a single value, greater than 1, representing the amount to be paid out for each unit bet. For example, a bet of £40 at 6 − 4 (fractional odds) will pay out £40 + £60 = £100. The equivalent decimal odds are 2.5; £40 × 2.5 = £100. We can convert fractional to decimal odds by the formula D = (b + a) ⁄ b.

  4. Odds - Wikipedia

    en.wikipedia.org/wiki/Odds

    For example, given that there is a pattern of odds of 5/4, 7/4, 9/4 and so on, odds which are mathematically 3/2 are more easily compared if expressed in the equivalent form 6/4. Fractional odds are also known as British odds, UK odds, [9] or, in that country, traditional odds. They are typically represented with a "/" but can also be ...

  5. Parimutuel betting - Wikipedia

    en.wikipedia.org/wiki/Parimutuel_betting

    Parimutuel betting, or pool betting, is a betting system in which all bets of a particular type are placed together in a pool; taxes and the house-take, or vigorish, are deducted, and payoff odds are calculated by sharing the pool among all winning bets.

  6. Martingale (betting system) - Wikipedia

    en.wikipedia.org/wiki/Martingale_(betting_system)

    This means the bettor must have over 65,500 (2^15-1 for their 15 losses and 2^15 for their 16th streak-ending winning bet) times their original bet size. Thus, a player making 10 unit bets would want to have over 655,000 units in their bankroll (and still have a ~5.5% chance of losing it all during 5,000 plays).

  7. Monty Hall problem - Wikipedia

    en.wikipedia.org/wiki/Monty_Hall_problem

    Thus the Bayes factor consists of the ratios ⁠ 1 / 2 ⁠ : 1 : 0 or equivalently 1 : 2 : 0, while the prior odds were 1 : 1 : 1. Thus, the posterior odds become equal to the Bayes factor 1 : 2 : 0. Given that the host opened door 3, the probability that the car is behind door 3 is zero, and it is twice as likely to be behind door 2 than door 1.

  8. Michael Shackleford - Wikipedia

    en.wikipedia.org/wiki/Michael_Shackleford

    Michael Shackleford (born May 23, 1965, in Pasadena, California, United States), also known as "The Wizard of Odds" (a title taken from Donald Angelini), [1] is an American mathematician and an actuary. He is best known for his professional analysis of the mathematics of the casino games.

  9. Betting strategy - Wikipedia

    en.wikipedia.org/wiki/Betting_strategy

    A betting strategy (also known as betting system) is a structured approach to gambling, in the attempt to produce a profit.To be successful, the system must change the house edge into a player advantage — which is impossible for pure games of probability with fixed odds, akin to a perpetual motion machine. [1]