Ben travels to work by bus and then by train.
The probability the bus is on time is 47\displaystyle \frac{4}{7}74
The probability the train is on time is 310\displaystyle \frac{3}{10}103
Complete the probability tree diagram.
Work out the probability that both the bus and the train are on time.
36 exam-style questions on Edexcel GCSE Maths Probability Trees. Each one has a worked solution and a mark scheme showing where the marks go.