A media analyst surveys 120 people about which streaming services they use. They can choose from Netflix (NNN), Disney+ (DDD), and Amazon Prime (AAA).
15 people use all three services. 25 people use Netflix and Disney+. 22 people use Disney+ and Amazon Prime. 30 people use Netflix and Amazon Prime. 70 people use Netflix. 50 people use Disney+. 60 people use Amazon Prime.
Draw a Venn diagram for this information.
One of the people is selected at random. Given they use Amazon Prime, find the probability they do not use Netflix.
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.