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Cambridge IGCSE Statistics practice

Paper 1 structured question: Probability

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Probability

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Paper 1Statistical Techniques2 marks

A bag contains 10 marbles: 4 red and 6 blue. A marble is drawn at random.

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Marble Drawing

A bag contains 10 marbles: 4 red and 6 blue. A marble is drawn at random.

  1. a

    Calculate the probability of drawing a red marble.

    Aim for approximately 1 distinct marking point.

    [1]
  2. b

    Calculate the probability of not drawing a red marble.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 1 structured question: Probability

Paper 1Statistical Techniques2 marks

Description

Rolling a Die

A die is rolled once. Calculate the probability of not rolling a 5.

  1. a

    Calculate the probability of rolling a 5.

    Aim for approximately 1 distinct marking point.

    [1]
  2. b

    Calculate the probability of not rolling a 5.

    Aim for approximately 1 distinct marking point.

    [1]