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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 probability distributions - Wikipedia

    en.wikipedia.org/wiki/List_of_probability...

    The Cauchy distribution, an example of a distribution which does not have an expected value or a variance. In physics it is usually called a Lorentzian profile, and is associated with many processes, including resonance energy distribution, impact and natural spectral line broadening and quadratic stark line broadening.

  5. List of paradoxes - Wikipedia

    en.wikipedia.org/wiki/List_of_paradoxes

    See also List of Ship of Theseus examples Sorites paradox (also known as the paradox of the heap ): If one removes a single grain of sand from a heap, they still have a heap. If they keep removing single grains, the heap will disappear.

  6. Lottery wheeling - Wikipedia

    en.wikipedia.org/wiki/Lottery_wheeling

    For example, a system with 12 numbers and a guarantee of "4 if 5" means the player will get a 4-win whenever five of his/her 12 numbers are among the drawn numbers. A lottery wheel acts as a single ticket in terms of a particular guarantee, but it allows playing with a set of numbers of size larger than the size of the set of numbers drawn in ...

  7. Mathematical puzzle - Wikipedia

    en.wikipedia.org/wiki/Mathematical_puzzle

    Mathematical puzzles require mathematics to solve them. Logic puzzles are a common type of mathematical puzzle. Conway's Game of Life and fractals, as two examples, may also be considered mathematical puzzles even though the solver interacts with them only at the beginning by providing a set of initial conditions. After these conditions are set ...

  8. 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 .

  9. 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 ...