Caleb makes a cola drink. He is doing a taste test. He asks 80 people if they prefer cola A or cola B.
41 of the people asked were male. 22 of the 50 people that prefer cola A are female.
Use this information to complete the frequency tree.
One of the 80 people is chosen at random. Write down the probability that this person is male and preferred cola A.
Practise CIE IGCSE Maths Frequency Trees with exam-style questions for Core and Extended tier. 7 questions, matched to the CIE IGCSE Maths (0580) specification and written in Paper 1 and Paper 3 (Core) or Paper 2 and Paper 4 (Extended) 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.
