The table shows the probabilities that a bead picked at random from a bag will be Red, Blue, Green, Yellow or Orange.
| Colour | Red | Blue | Green | Yellow | Orange | Purple |
|---|---|---|---|---|---|---|
| Probability | 0.15 | 0.22 | 0.05 | 0.31 | 0.17 |
A bead is picked 400 times and replaced each time.
Work out an estimate for the number of times a Purple or Red bead is picked.
324 exam-style questions on AQA GCSE Maths Probability. Each one has a worked solution and a mark scheme showing where the marks go.