The probability that a printer will jam on any given day is 0.15.
The printer is used on Monday and Tuesday.
Complete the probability tree diagram.

Work out the probability that the printer jams on at least one of these days.
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.