The events A and B are such that P(A)=0.2P(A) = 0.2P(A)=0.2, P(A∪B)=0.8P(A \cup B) = 0.8P(A∪B)=0.8. Find
P(A′∩B′)P(A' \cap 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.