Probability

  • Drug testing
    problem

    Drug Testing

    Age
    16 to 18
    Challenge level

    How do different drug-testing regimes affect the risks and payoffs for an athlete who chooses to take drugs?

  • X-Dice
    problem

    X-Dice

    Age
    16 to 18
    Challenge level

    Explore these X-dice with numbers other than 1 to 6 on their faces. Which one is best?

  • Ante Up
    problem

    Ante Up

    Age
    16 to 18
    Challenge level

    Use cunning to work out a strategy to win this game.

  • 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.

  • Any win for tennis?
    problem

    Any Win for Tennis?

    Age
    16 to 18
    Challenge level
    What are your chances of winning a game of tennis?
  • Magic Bag
    problem

    Magic Bag

    Age
    16 to 18
    Challenge level

    A weekly challenge concerning combinatorical probability.

  • Stage 5 Cipher Challenge
    problem

    Stage 5 Cipher Challenge

    Age
    16 to 18
    Challenge level

    Can you crack these very difficult challenge ciphers? How might you systematise the cracking of unknown ciphers?

  • The Mean Game
    article

    The Mean Game

    Edward Wallace based his A Level Statistics Project on The Mean Game. Each picks 2 numbers. The winner is the player who picks a number closest to the mean of all the numbers picked.
  • An Introduction to Tree Diagrams
    article

    An Introduction to Tree Diagrams

    This article explains how tree diagrams are constructed and helps you to understand how they can be used to calculate probabilities.
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