4MA0 Foundation June 2016 Paper 1R Q18
18 Li throws a 6-sided biased dice once.
The table shows the probability that the dice will land on 1, 2, 3, 5 or 6
| Number | 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|---|
| Probability | 0.15 | 0.1 | 0.05 | 0.2 | 0.15 |
(a) Write down the probability that the dice will land on 7 (1)
(b) Work out the probability that the dice will land on 4 (2)
| Scheme | Marks |
|---|---|
| 0 | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| 1 – (0.1 + 0.15 + 0.05 + 0.2 + 0.15) | M1 |
| 0.35 | A1 |
| (2) |
Notes
A1: oe