Theoretical probability

  • Succession in Randomia
    problem

    Succession in Randomia

    Age
    16 to 18
    Challenge level

    By tossing a coin one of three princes is chosen to be the next King of Randomia. Does each prince have an equal chance of taking the throne?

  • The Derren Brown coin flipping scam
    problem

    The Derren Brown Coin Flipping Scam

    Age
    16 to 18
    Challenge level

    Calculate probabilities associated with the Derren Brown coin scam in which he flipped 10 heads in a row.

  • Magic Bag
    problem

    Magic Bag

    Age
    16 to 18
    Challenge level

    A weekly challenge concerning combinatorical probability.

  • The random world
    article

    The Random World

    Think that a coin toss is 50-50 heads or tails? Read on to appreciate the ever-changing and random nature of the world in which we live.

  • Taking Chances Extended
    article

    Taking Chances Extended

    This article, for students and teachers, is mainly about probability, the mathematical way of looking at random chance.

  • Playing Squash
    article

    Playing Squash

    Playing squash involves lots of mathematics. This article explores the mathematics of a squash match and how a knowledge of probability could influence the choices you make.

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