In a bag there are only red counters, blue counters and white counters.
number of red counters : number of blue counters : number of white counters=5:4:3 \text{number of red counters : number of blue counters : number of white counters} = 5 : 4 : 3 number of red counters : number of blue counters : number of white counters=5:4:3A counter is taken at random from the bag.
Complete the table to show the probabilities of the counter being red, blue or white.
| Colour | Red | Blue | White |
|---|---|---|---|
| Probability |
Hence, find the probability that the counter is not red.
324 exam-style questions on CCEA GCSE Maths Probability. Each one has a worked solution and a mark scheme showing where the marks go.