Foundation June 2025 Paper 2 Q19
19 Two spinners each have only red sections and green sections.
\[\text{Spinner 1} \quad \mathrm{P}(\text{red}) = \frac{3}{8}\]\[\text{Spinner 2} \quad \mathrm{P}(\text{red}) = \frac{1}{5}\](a) Complete the tree diagram. [2 marks]
(b) Both spinners are spun.
Work out the probability that both spinners land on red. [1 mark]
| Answer | Mark | Comments |
|---|---|---|
| \(\dfrac{5}{8}\) on spinner 1 (green) | B1 | oe fraction, decimal or percentage |
| \(\dfrac{4}{5}\) on spinner 2 (green) in both positions | B1 | oe fractions, decimals or percentages |
Additional guidance
| Mark the diagram | |
| A mix of fractions, decimals and percentages is acceptable | |
| Percentages must have the % symbol | |
| Accept 0.62 or 0.63 for 0.625 if decimals used | |
| Accept 62% or 63% for 62.5% if percentages used | |
 | B2 |
| Answer | Mark | Comments |
|---|---|---|
| \(\dfrac{3}{40}\) or 0.075 or 7.5% | B1 | oe fraction, decimal or percentage |
Additional guidance
Ignore attempt to simplify after a correct answer seen