Foundation January 2023 Paper 1 Q9
9 Avner has two fair spinners.
Spinner A can land on 1, 2 or 3
Spinner B can land on 1, 2, 3 or 4
Avner multiplies the number on which spinner A lands by the number on which spinner B lands to find his score.
(a) Complete the table to show all possible scores.
Seven of the scores have been completed for you.
(2)
Seven of the scores have been completed for you.
| Spinner A | ||||
|---|---|---|---|---|
| 1 | 2 | 3 | ||
| Spinner B | 1 | 1 | 2 | 3 |
| 2 | 2 | 4 | ||
| 3 | 3 | |||
| 4 | 4 | |||
Avner spins spinner A once and spinner B once.
(b) Find the probability that his score is an odd number. (1)
| Scheme | Marks | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Answer: Correct scores | B2 | |||||||||||||||||||||||||||
| (2) | ||||||||||||||||||||||||||||
Notes
B2: for all scores correct
(B1 for 3 or 4 scores correct)
| Scheme | Marks |
|---|---|
| \(\dfrac{4}{12}\) | B1 |
| (1) | |
| (3 marks) |
Notes
B1: ft oe accept 0.33(33…)