The events A and B are such that P(A)=0.3P(A) = 0.3P(A)=0.3, P(B)=0.5P(B) = 0.5P(B)=0.5, P(A∩B)=0.2P(A \cap B) = 0.2P(A∩B)=0.2. Find
P(A′∣B′)P(A'|B')P(A′∣B′)
330 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.