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Conditional Probability

Conditional Probability

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Question 184

The events A and B are such that P(A∪B)=0.6P(A \cup B) = 0.6P(A∪B)=0.6, P(A∣B)=0.6P(A|B) = 0.6P(A∣B)=0.6, P(A′∣B′)=0.8P(A'|B') = 0.8P(A′∣B′)=0.8.

a.

Find P(B)P(B)P(B)

[2]
b.

Find P(A∩B)P(A \cap B)P(A∩B)

[3]
c.

Find P(A)P(A)P(A)

[3]
Markscheme

Conditional Probability Questions

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

365 exam-style questions on Edexcel A Level Maths Conditional Probability, covering 2.1 Set Notation, 2.2 Conditional Probability, 2.3 Conditional Probabilities in Venn Diagrams, 2.4 Probability Formulae, and 2.5 Tree Diagrams. Each one has a worked solution and a mark scheme showing where the marks go.

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