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  2. Mathematics of bookmaking - Wikipedia

    en.wikipedia.org/wiki/Mathematics_of_bookmaking

    Fractional odds are written a − b (a/b or a to b), meaning a winning bettor will receive their money back plus a units for every b units they bet. 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.

  3. Odds - Wikipedia

    en.wikipedia.org/wiki/Odds

    "pays −X" (moneyline odds) means that the bet is fair if the probability is p = X / (X + 100). The numbers for odds can be scaled. If k is any positive number then X to Y is the same as kX to kY, and similarly if "to" is replaced with "in" or "for". For example, "3 to 2 against" is the same as both "1.5 to 1 against" and "6 to 4 against".

  4. Glossary of craps terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_craps_terms

    a single roll bet for 2 or 12 hi-lo-yo a single roll bet for 2, 11, or 12 high A bet on or roll of 12, also see boxcars hop A single roll bet for a specific combination of dice to come out. Pays 15:1 for easy ways and 30:1 for hard ways horn A divided bet on the 2, 3, 11, 12 horn high A horn bet with addition units going to a specific number.

  5. Sports betting - Wikipedia

    en.wikipedia.org/wiki/Sports_betting

    x if x≤1; −1/x if x>1 In Asian betting markets, other frequently used formats for expressing odds include Hong Kong, Malaysian, and Indonesian-style odds formats. Odds are also quite often expressed in terms of implied probability , which corresponds to the probability with which the event in question would need to occur for the bet to be a ...

  6. Glossary of bets offered by UK bookmakers - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_bets_offered...

    This is a non-exhaustive list of traditional and popular bets offered by bookmakers in the United Kingdom.The 'multiple-selection' bets in particular are most often associated with horse racing selections but since the advent of fixed-odds betting on football matches some punters use these traditional combination bets for football selections as well.

  7. Each-way - Wikipedia

    en.wikipedia.org/wiki/Each-way

    A £10 each-way single on a 10-1 selection in a horse race and paying 1 ⁄ 4 the odds a place 1, 2, or 3 would cost £20.. Returns on the win part of the bet would be £10 × (10/1 × 1) + stake = £110 (£100 winnings + £10 stake)

  8. How are point spreads made for NFL games? Veteran Vegas ... - AOL

    www.aol.com/sports/point-spreads-made-nfl-games...

    The first spread Andrews comes to for an NFL game is simple math, using the power ratings: If Team A is 90, Team B is 91 and at home with a 2.5-point home-field advantage, the line is Team B -3.5.

  9. Gambling mathematics - Wikipedia

    en.wikipedia.org/wiki/Gambling_mathematics

    The mathematics of gambling is a collection of probability applications encountered in games of chance and can get included in game theory.From a mathematical point of view, the games of chance are experiments generating various types of aleatory events, and it is possible to calculate by using the properties of probability on a finite space of possibilities.