There are seven discs in a bag.
Two discs are numbered 10, three discs are numbered 20, and two discs are numbered 30.
Maya takes a disc at random from the bag. She does not replace it. Maya then takes another disc at random from the bag.
Calculate the probability that both discs have the same number on them.
Calculate the probability that the number on the second disc Maya takes is greater than the number on the first disc she takes.
Practise OCR GCSE Maths Conditional Probability with exam-style questions for Foundation and Higher tier. 28 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.