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.
Practise OCR GCSE Maths Probability Trees with exam-style questions for Foundation and Higher tier. 40 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.