80 staff members were asked if they travel to school by bus or by walking.
32 of the staff members are teachers, the rest are support staff. 18 of the support staff walk. 30 of the staff members walk in total.
a.[3]
Use this information to complete the frequency tree.
b.[1]
One of the 80 staff members is chosen at random.
Write down the probability that this person is a teacher and walks.
Frequency Trees Questions
Practise AQA GCSE Maths Frequency Trees with exam-style questions for Foundation and Higher tier. 28 questions, matched to the AQA GCSE Maths (8300) 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.