State the term used to describe two events XXX and YYY when P(X∩Y)=0P(X \cap Y) = 0P(X∩Y)=0.
The events AAA and BBB are independent with P(A)=23P(A) = \frac{2}{3}P(A)=32 and P(A∪B)=45P(A \cup B) = \frac{4}{5}P(A∪B)=54.
Find
P(B)P(B) P(B)
P(A∩B′)P(A \cap B')P(A∩B′)
P(A′∣B)P(A' | B)P(A′∣B)
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.