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2.3.10 Conditional probabilities (A-level only)

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Question 64

Events A A\,A and B B\,B satisfy P(A)=0.55P(A)=0.55P(A)=0.55, P(B)=0.42P(B)=0.42P(B)=0.42 and P(A∪B)=0.73P(A\cup B)=0.73P(A∪B)=0.73.

a.

Find P(A∩B)P(A\cap B)P(A∩B).

[2]
b.

Find P(A∣B)P(A\mid B)P(A∣B).

[3]
c.

Find P(A′∣B′)P(A'\mid B')P(A′∣B′).

[3]
Markscheme

2.3.10 Conditional probabilities (A-level only) Questions

  1. A Level
  2. /Maths
  3. /2.3.10 Conditional probabilities (A-level only)

164 exam-style questions on OCR (MEI) A Level Maths 2.3.10 Conditional probabilities (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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