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  2. Lottery mathematics - Wikipedia

    en.wikipedia.org/wiki/Lottery_mathematics

    Lottery mathematics is used to calculate probabilities of winning or losing a lottery game. It is based primarily on combinatorics, particularly the twelvefold way and combinations without replacement. It can also be used to analyze coincidences that happen in lottery drawings, such as repeated numbers appearing across different draws. [1

  3. Skill testing question - Wikipedia

    en.wikipedia.org/wiki/Skill_testing_question

    The most common form that these questions take is as an arithmetic exercise. A court decision ruled that a mathematical STQ must contain at least three operations to actually be a test of skill. [4] For example, a sample question is "(16 × 5) - (12 ÷ 4)" (Answer: 77).

  4. List of paradoxes - Wikipedia

    en.wikipedia.org/wiki/List_of_paradoxes

    Lottery paradox: If there is one winning ticket in a large lottery, it is reasonable to believe of any particular lottery ticket that it is not the winning ticket, but it is not reasonable to believe that no lottery ticket will win. Raven paradox: (or Hempel's Ravens): Observing a green apple increases the likelihood of all ravens being black.

  5. Lottery (decision theory) - Wikipedia

    en.wikipedia.org/wiki/Lottery_(decision_theory)

    It is also founded in the famous example, the St. Petersburg paradox: as Daniel Bernoulli mentioned, the utility function in the lottery could be dependent on the amount of money which he had before the lottery. [4] For example, let there be three outcomes that might result from a sick person taking either novel drug A or B for his condition ...

  6. 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.

  7. Lottery wheeling - Wikipedia

    en.wikipedia.org/wiki/Lottery_wheeling

    For instance, in a pick-6 lottery, a wheel has 7 or more numbers. In this lottery, a wheeling system with 10 numbers and a guarantee of 4 if 4 would require at least 20 tickets to be played. Difficulty in constructing wheeling systems greatly increases with more numbers and combinations. In mathematics, the study of these objects falls within ...

  8. St. Petersburg paradox - Wikipedia

    en.wikipedia.org/wiki/St._Petersburg_paradox

    The St. Petersburg paradox or St. Petersburg lottery [1] is a paradox involving the game of flipping a coin where the expected payoff of the lottery game is infinite but nevertheless seems to be worth only a very small amount to the participants. The St. Petersburg paradox is a situation where a naïve decision criterion that takes only the ...

  9. Orders of magnitude (probability) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude...

    Caesium-137 atom decay each second [7] 9.9×10 −10: Gaussian distribution: probability of a value being more than 6 standard deviations from the mean on a specific side [8] 10 −9: Nano-(n) 1×10 −9: One in 1,000,000,000 3.9×10 −9: Probability of an entry winning the jackpot in the Mega Millions multi-state lottery in the United States ...