In a bag there are only black counters, white counters and red counters.
A counter is taken at random from the bag.
The table shows the probability of taking a black counter and a white counter.
| Colour | Black | White | Red |
|---|---|---|---|
| Probability | 310\displaystyle \frac{3}{10}103 | 35\displaystyle \frac{3}{5}53 |
Complete the table to show the probabilities of the counter being red.
Practise Oxford AQA IGCSE Maths Probability with exam-style questions for Core and Extended tier. 28 questions, matched to the Oxford AQA IGCSE Maths (9260) specification and written in Paper 1 and Paper 2 (Core: 1C and 2C; Extension: 1E and 2E) 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.