Question 8
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
28 exam-style questions on Edexcel GCSE Maths Frequency Trees. Each one has a worked solution and a mark scheme showing where the marks go.