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2.3 Probability

2.3 Probability

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Question 84

The Venn diagram below shows the probabilities associated with three events AAA, B B\,B and CCC.

Figure for question 1

a.

Write down the two events that are mutually exclusive.

[1]
b.

Given that P(A∣B)=0.3P(A\mid B)=0.3P(A∣B)=0.3, find the value of p p\,p and the value of qqq.

[3]
Markscheme

2.3 Probability Questions

  1. A Level
  2. /Maths
  3. /2.3 Probability

200 exam-style questions on OCR A Level Maths 2.3 Probability, covering 2.3.1 Mutually exclusive and independent events, 2.3.2 Diagrams to assist probability calculations, 2.3.3 Conditional probability (A-level only), 2.3.4 Conditional probability from first principles (A-level only), and 2.3.5 Modelling with probability. Each one has a worked solution and a mark scheme showing where the marks go.

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