A fruit basket contains 12 apples, 9 oranges, and 4 pears. Two pieces of fruit are picked from the basket at random without replacement.
Draw a tree diagram to represent this information.
Find the probability that the two pieces of fruit picked are both pears.
Given that at least one of the pieces of fruit picked is an orange, find the probability that both pieces are oranges.
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.