500 people were surveyed. All of the people were either left handed or right handed.
53 of the people are left handed. 26 males are left handed. 231 of the people are male.
Use this information to complete the frequency tree.
One of the left handed people is chosen at random.
Write down the probability that this person is female.
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.