Experimental probability

  • What does random look like?
    problem
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    What Does Random Look Like?

    Age
    11 to 14
    Challenge level
    1 out of 3

    Engage in a little mathematical detective work to see if you can spot the fakes.

  • Two's company
    problem
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    Two's Company

    Age
    11 to 14
    Challenge level
    2 out of 3

    Seven balls are shaken. You win if the two blue balls end up touching. What is the probability of winning?

  • Cosy corner
    problem
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    Cosy Corner

    Age
    11 to 14
    Challenge level
    2 out of 3

    Six balls are shaken. You win if at least one red ball ends in a corner. What is the probability of winning?

  • Statistical shorts
    problem
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    Statistical Shorts

    Age
    11 to 16
    Challenge level
    1 out of 3

    Can you decide whether these short statistical statements are always, sometimes or never true?

  • Last one standing
    problem
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    Last One Standing

    Age
    14 to 16
    Challenge level
    1 out of 3

    Imagine a room full of people who keep flipping coins until they get a tail. Will anyone get six heads in a row?

  • problem
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    Who's the Winner?

    Age
    14 to 16
    Challenge level
    1 out of 3

    When two closely matched teams play each other, what is the most likely result?

  • Same Number!
    problem
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    Same Number!

    Age
    14 to 16
    Challenge level
    2 out of 3

    If everyone in your class picked a number from 1 to 225, do you think any two people would pick the same number?

  • Mathsland National Lottery
    problem
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    Mathsland National Lottery

    Age
    14 to 16
    Challenge level
    2 out of 3

    Can you work out the probability of winning the Mathsland National Lottery?

  • Odds and Evens made fair
    problem
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    Odds and Evens Made Fair

    Age
    14 to 16
    Challenge level
    2 out of 3

    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
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    Which Spinners?

    Age
    14 to 18
    Challenge level
    1 out of 3

    Can you work out which spinners were used to generate the frequency charts?