Experimental probability

  • Mathsland National Lottery
    problem
    Favourite

    Mathsland National Lottery

    Age
    14 to 16
    Challenge level
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    Can you work out the probability of winning the Mathsland National Lottery?

  • Odds and Evens made fair
    problem
    Favourite

    Odds and Evens Made Fair

    Age
    14 to 16
    Challenge level
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    In this follow-up to the problem Odds and Evens, we invite you to analyse a probability situation in order to find the general solution for a fair game.

  • Which spinners?
    problem
    Favourite

    Which Spinners?

    Age
    14 to 18
    Challenge level
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    Can you work out which spinners were used to generate the frequency charts?

  • Very old man
    problem
    Favourite

    Very Old Man

    Age
    16 to 18
    Challenge level
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    Is the age of this very old man statistically believable?

  • Time to evolve 2
    problem
    Favourite

    Time to Evolve 2

    Age
    16 to 18
    Challenge level
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    How is the length of time between the birth of an animal and the birth of its great great ... great grandparent distributed?

  • Probably a code?
    problem
    Favourite

    Probably a Code?

    Age
    16 to 18
    Challenge level
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    Is the regularity shown in this encoded message noise or structure?

  • Taking Chances
    problem

    Taking Chances

    Age
    11 to 14
    Challenge level
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    This article, for students and teachers, is mainly about probability, the mathematical way of looking at random chance and is a shorter version of Taking Chances Extended.
  • Can't find a coin?
    problem

    Can't Find a Coin?

    Age
    11 to 14
    Challenge level
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    Can you generate a set of random results? Can you fool the random simulator?
  • Two and One
    problem

    Two and One

    Age
    5 to 7
    Challenge level
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    Terry and Ali are playing a game with three balls. Is it fair that Terry wins when the middle ball is red?

  • Tricky Track
    problem

    Tricky Track

    Age
    7 to 11
    Challenge level
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    In this game you throw two dice and find their total, then move the appropriate counter to the right. Which counter reaches the purple box first?