Foundation January 2019 Paper 1 Q10
10 All the teachers at a school are either left footed or right footed.
At the school
the number of left footed teachers : the number of right footed teachers = 3 : 13
A teacher at the school is picked at random.
(a) Find the probability that this teacher is left footed. (1)
At the school, there are 18 left footed teachers.
(b) How many right footed teachers are there? (2)
| Scheme | Marks |
|---|---|
| \(\dfrac{3}{16}\) oe | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| 13 × 18 ÷ 3 or 13 × 6 | M1 |
| 78 | A1 |
| (2) | |
| (3 marks) |