Probability

  • Genetics
    problem

    Genetics

    Age
    14 to 16
    Challenge level
    1 out of 3
    A problem about genetics and the transmission of disease.
  • Taking Chances
    problem

    Taking Chances

    Age
    11 to 14
    Challenge level
    2 out of 3
    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
    2 out of 3
    Can you generate a set of random results? Can you fool the random simulator?
  • Heavy hydrocarbons
    problem

    Heavy Hydrocarbons

    Age
    14 to 18
    Challenge level
    2 out of 3
    Explore the distribution of molecular masses for various hydrocarbons
  • Molecular sequencer
    problem

    Molecular Sequencer

    Age
    14 to 18
    Challenge level
    2 out of 3
    Investigate the molecular masses in this sequence of molecules and deduce which molecule has been analysed in the mass spectrometer.
  • Peas in a pod
    problem

    Peas in a Pod

    Age
    14 to 16
    Challenge level
    2 out of 3
    What is the chance this pea plant will look like its parents?
  • Squash
    problem

    Squash

    Age
    16 to 18
    Challenge level
    3 out of 3
    If the score is 8-8 do I have more chance of winning if the winner is the first to reach 9 points or the first to reach 10 points?
  • Scissors, Paper, Rock
    game

    Scissors, Paper, Rock

    Age
    5 to 7
    Challenge level
    1 out of 3
    Play this well-known game against the computer where each player is equally likely to choose scissors, paper or rock. Why not try the variations too?
  • Probable Words
    problem

    Probable Words

    Age
    5 to 7
    Challenge level
    1 out of 3
    If you asked your mum/dad/friend to take you to the park today, what sort of response might you get?
  • Two and One
    problem

    Two and One

    Age
    5 to 7
    Challenge level
    3 out of 3

    Terry and Ali are playing a game with three balls. Is it fair that Terry wins when the middle ball is red?