4MA0 Foundation January 2016 Paper 2 Q5
5 The diagram shows a fair 6-sided spinner.
Shaun spins the spinner once.
(a) Write down the probability that the spinner lands on green. (1)
(b) Find the probability that the spinner lands on red. (1)
Karen has a different spinner.
When the spinner is spun once, the probability that it will land on yellow is \(\dfrac{2}{5}\)
Karen spins the spinner 30 times.
(c) Work out an estimate for the number of times the spinner lands on yellow. (2)
| Scheme | Marks |
|---|---|
| 0 | B1 |
| (1) |
Notes
B1: accept 0.0, 0% 0/6 but not words
| Scheme | Marks |
|---|---|
| \(\dfrac{4}{6}\) | B1 |
| (1) |
Notes
B1: Accept \(\dfrac{2}{3}\) oe
Or 0.66, 0.67, 66%, 67% or better
| Scheme | Marks |
|---|---|
| \(\dfrac{2}{5} \times 30\) or 0.4 × 30 | M1 |
| 12 | A1 |
| (2) |
Notes
A1: (an answer of \(\dfrac{12}{30}\) gains M1 only)