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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

Applying probability symbols to event combinations.

Description

Probability of Combined Events

Consider two independent events A and B with probabilities P(A) and P(B).

  1. a

    Calculate Given P(A) = 0.5 and P(B) = 0.3, calculate P(A ∩ B).

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 1 structured question: Probability

Paper 1Statistical Techniques1 marks

Description

Probability Symbols

In probability, different symbols are used to represent the likelihood of events occurring or not occurring.

  1. a

    Calculate If P(A) = 0.7, calculate P(A′).

    Aim for approximately 1 distinct marking point.

    [1]