Question 17
600 people at a cinema were surveyed. Each person watched either an Action movie or a Comedy movie.
340 people watched an Action movie. 150 children watched an Action movie. 320 of the people surveyed were children, the rest were adults.
a.[3]
Use this information to complete the frequency tree.
b.[2]
One of the people who watched a Comedy movie is chosen at random.
Write down the probability that this person is an adult.
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.