James travels to work by bus and then by train.
The probability that the bus is late is 0.3
The probability that the train is late is 0.15
Work out the probability that exactly one of these forms of transport is late.
Practise Edexcel GCSE Maths Probability Trees with exam-style questions for Foundation and Higher tier. 40 questions, matched to the Edexcel GCSE Maths (1MA1) specification and written in Paper 1, Paper 2 and Paper 3 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.