In a statistical study, two events M M\,M and N N\,N are such that P(M)=0.45P(M) = 0.45P(M)=0.45, P(M∩N)=0.15P(M \cap N) = 0.15P(M∩N)=0.15 and P(M∣N)=0.6P(M|N) = 0.6P(M∣N)=0.6.
Find P(N)P(N)P(N).
Find P(M∪N)P(M \cup N)P(M∪N).
Find P(N∣M′)P(N|M')P(N∣M′).
Practise Edexcel A Level Maths Conditional Probability with exam-style questions for A Level Maths. 100 questions covering Set Notation, Conditional Probability, Conditional Probabilities in Venn Diagrams, Probability Formulae, and Tree Diagrams, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.