The probability that a bus arrives on time is 411\displaystyle \frac{4}{11}114.
Work out the probability that the bus does not arrive on time.
Practise OCR GCSE Maths Probability with exam-style questions for Foundation and Higher tier. 100 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.