150 students were asked if they prefer Margherita or Pepperoni pizza.
70 of the students were in Year 7. 45 of the Year 8 students preferred Margherita. 80 of the students preferred Pepperoni.
Use this information to complete the frequency tree.
One of the 150 students is chosen at random.
Write down the probability that this student is in Year 8 and preferred Margherita.
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.