A bag contains 10 counters.
4 counters are red. 2 counters are yellow. 4 counters are white.
A counter is taken at random from the bag.
Write down the probability that the counter is red.
Write down the probability that the counter is blue.
Practise OCR GCSE Maths Probability with exam-style questions for Foundation and Higher tier. 212 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.