Binomial distribution

  • A well-stirred sample
    problem

    A well-stirred sample

    Age
    16 to 18
    Challenge level
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    Typical survey sample sizes are about 1000 people. Why is this?
  • Statistics - maths of real life
    list

    Statistics - maths of real life

    Age
    14 to 18
    Challenge level
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    This pilot collection of resources is designed to introduce key statistical ideas and help students to deepen their understanding.
  • Binomial conditions
    problem

    Binomial conditions

    Age
    16 to 18
    Challenge level
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    When is an experiment described by the binomial distribution? Why do we need both the condition about independence and the one about constant probability?
  • Binomial or not?
    problem

    Binomial or not?

    Age
    16 to 18
    Challenge level
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    Are these scenarios described by the binomial distribution?
  • Over-booking
    problem

    Over-booking

    Age
    16 to 18
    Challenge level
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    The probability that a passenger books a flight and does not turn up is 0.05. For an aeroplane with 400 seats how many tickets can be sold so that only 1% of flights are over-booked?