A box contains only green, yellow, and orange marbles. A marble is picked at random from the box. The table shows the probability of picking a green marble and a yellow marble.
| Colour | Green | Yellow | Orange |
|---|---|---|---|
| Probability | 0.4 | 0.45 |
Complete the table to show the probability that the marble picked will be orange.
128 exam-style questions on Edexcel GCSE Maths Probability. Each one has a worked solution and a mark scheme showing where the marks go.