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  2. Coin flipping - Wikipedia

    en.wikipedia.org/wiki/Coin_flipping

    Coin flipping, coin tossing, or heads or tails is the practice of throwing a coin in the air and checking which side is showing when it lands, in order to randomly choose between two alternatives. It is a form of sortition which inherently has two possible outcomes. The party who calls the side that is facing up when the coin lands wins.

  3. Sleeping Beauty problem - Wikipedia

    en.wikipedia.org/wiki/Sleeping_Beauty_problem

    Sleeping Beauty problem. The Sleeping Beauty problem, also known as the Sleeping Beauty paradox, [1] is a puzzle in decision theory in which an ideally rational epistemic agent is told she will be awoken from sleep either once or twice according to the toss of a coin. Each time she will have no memory of whether she has been awoken before, and ...

  4. Fair coin - Wikipedia

    en.wikipedia.org/wiki/Fair_coin

    Fair coin. A fair coin, when tossed, should have an equal chance of landing either side up. In probability theory and statistics, a sequence of independent Bernoulli trials with probability 1/2 of success on each trial is metaphorically called a fair coin. One for which the probability is not 1/2 is called a biased or unfair coin.

  5. 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 ...

  6. Phil Luckett - Wikipedia

    en.wikipedia.org/wiki/Phil_Luckett

    Phil Luckett is a retired official in the National Football League (NFL), having served from 1991 to 2005, and again in 2007. His officiating uniform number was 59. He entered the NFL as a field judge in 1991 and officiated Super Bowl XXXI, his last game at that position before he became a referee in 1997 after Red Cashion and Howard Roe announced their retirements.

  7. Checking whether a coin is fair - Wikipedia

    en.wikipedia.org/wiki/Checking_whether_a_coin_is...

    The symbols H and T represent more generalised variables expressing the numbers of heads and tails respectively that might have been observed in the experiment. Thus N = H + T = h + t. Next, let r be the actual probability of obtaining heads in a single toss of the coin. This is the property of the coin which is being investigated.

  8. Penney's game - Wikipedia

    en.wikipedia.org/wiki/Penney's_game

    Penney's game. Penney's game, named after its inventor Walter Penney, is a binary (head/tail) sequence generating game between two players. Player A selects a sequence of heads and tails (of length 3 or larger), and shows this sequence to player B. Player B then selects another sequence of heads and tails of the same length.

  9. Heads and tails: Heavenly Dragon Lion Dance brings tradition ...

    www.aol.com/heads-tails-heavenly-dragon-lion...

    There’s a head player and a tail player. The lion will usually be composed of a bamboo frame, or a rattan frame. Then there's papier-mâché — basically like a big ol’ piñata.