Sam asks 60 students if they prefer Android or iOS mobile phones.
32 of the students asked were in Year 10. 18 of the 28 students who prefer iOS are in Year 10.
a.[3]
Use this information to complete the frequency tree.
b.[1]
One of the 60 students is chosen at random.
Write down the probability that this person is in Year 10 and preferred iOS.
Frequency Trees Questions
Practise Edexcel GCSE Maths Frequency Trees with exam-style questions for Foundation and Higher tier. 28 questions, matched to the Edexcel GCSE Maths (1MA1) 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.