Experimental probability

  • Mathsland National Lottery
    problem

    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

    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

    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

    Very old man

    Age
    16 to 18
    Challenge level
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    Is the age of this very old man statistically believable?
  • Succession in Randomia
    problem

    Succession in Randomia

    Age
    16 to 18
    Challenge level
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    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?

  • X-Dice
    problem

    X-dice

    Age
    16 to 18
    Challenge level
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    Explore these X-dice with numbers other than 1 to 6 on their faces. Which one is best?
  • Time to evolve 2
    problem

    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?

  • The Derren Brown coin flipping scam
    problem

    The Derren Brown coin flipping scam

    Age
    16 to 18
    Challenge level
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    Calculate probabilities associated with the Derren Brown coin scam in which he flipped 10 heads in a row.

  • Probably a code?
    problem

    Probably a code?

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