A box contains only blue buttons, green buttons and yellow buttons. A button is taken at random from the box. The table shows the probability of taking a blue button and a green button.
| Colour | Blue | Green | Yellow |
|---|---|---|---|
| Probability | 14\displaystyle \frac{1}{4}41 | 58\displaystyle \frac{5}{8}85 |
Complete the table to show the probability of the button being yellow.
Practise Edexcel GCSE Maths Probability with exam-style questions for Foundation and Higher tier. 100 questions, matched to the Edexcel GCSE Maths (1MA1) specification and written in Paper 1, Paper 2 and Paper 3 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.