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  2. Lottery mathematics - Wikipedia

    en.wikipedia.org/wiki/Lottery_mathematics

    A combination of numbers is usually presented in ascending order. An eventual 7th drawn number, the reserve or bonus, is presented at the end. An alternative method of calculating the odds is to note that the probability of the first ball corresponding to one of the six chosen is 6/49; the probability of the second ball corresponding to one of ...

  3. Lottery wheeling - Wikipedia

    en.wikipedia.org/wiki/Lottery_wheeling

    The number of combinations in an abbreviated wheel is significantly smaller than the number of combinations in a full wheel on the same set of numbers. In the example above, the abbreviated wheel with 10 numbers and a 4 if 4 guarantee has 20 tickets. A full wheel with 10 numbers requires 210 combinations and has a 6 if 6 guarantee.

  4. 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.

  5. Keno - Wikipedia

    en.wikipedia.org/wiki/Keno

    The word "keno" has French or Latin roots (Fr. quine "five winning numbers", L. quini "five each"), but by all accounts the game originated in China. Legend has it that Zhang Liang invented the game during the Chu-Han Contention to raise money to defend an ancient city, and its widespread popularity later helped raise funds to build the Great Wall of China.

  6. Pull-tab - Wikipedia

    en.wikipedia.org/wiki/Pull-tab

    A pull-tab lotto ticket. A pull-tab is a gambling ticket for a pull-tab game. Other names for the game include Break-Opens, Nevada Tickets, Cherry Bells, Lucky 7s, Pickle Cards, Pickle Tickets, Instant Bingo, Bowl Games, or Popp-Opens. [1] Physical pull-tab tickets are multi-layered paper tickets containing symbols hidden behind perforated tabs.

  7. List of five-number lottery games - Wikipedia

    en.wikipedia.org/wiki/List_of_five-number...

    The following is a list of lottery games in which five regular numbers are drawn from a larger set of numbers. The list includes the name, the number field for each, and the frequency of drawings.

  8. Lottery - Wikipedia

    en.wikipedia.org/wiki/Lottery

    A lottery (or lotto) is a form of gambling that involves the drawing of numbers at random for a prize. Some governments outlaw lotteries, while others endorse it to the extent of organizing a national or state lottery.

  9. Combinations and permutations - Wikipedia

    en.wikipedia.org/wiki/Combinations_and_permutations

    Combinations and permutations in the mathematical sense are described in several articles. Described together, in-depth: Twelvefold way; Explained separately in a more accessible way: Combination; Permutation; For meanings outside of mathematics, please see both words’ disambiguation pages: Combination (disambiguation) Permutation ...