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Cambridge IGCSE Statistics practice

If P(A) = 0.3 and P(B) = 0.6 with P(A ∩ B) = 0.1, what is the probability that neither A nor B occurs?

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MCQ

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cambridge_mcq

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Probability

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If P(A) = 0.3 and P(B) = 0.6 with P(A ∩ B) = 0.1, what is the probability that neither A nor B occurs?.

  1. A.0.0
  2. B.0.2
  3. C.0.1
  4. D.0.4

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Paper 1 structured question: Probability

Paper 1Statistical Techniques3 marks

Description

Probabilities of events A and B

Event A: Drawing a red ball Event B: Drawing a ball with a number Given probabilities: P(A) = 0.5 P(B) = 0.6 P(A ∩ B) = 0.3

EventProbability
P(A)0.5
P(B)0.6
P(A ∩ B)0.3
  1. a

    Calculate Calculate the probability of drawing a ball that is either red or has a number on it (P(A ∪ B)).

    Aim for approximately 3 distinct marking points.

    [3]