There are 9 chocolates in a box. 4 of the chocolates are milk chocolate. 5 of the chocolates are dark chocolate. Two chocolates are chosen at random from the box.
Work out the probability that one chocolate of each type is chosen.
You must show your working.
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.