Foundation November 2018 Unit 1 Q8
8.
(a) Mark has some cards. Each card has a number written on it.
These are Mark’s cards.
The number on the last card is missing.
These are Mark’s cards.
The number on the last card is missing.
| 3 | 4 | 3 | 5 | 4 | 7 | 3 | 4 |
Write a number on the last card so that the mode of these numbers is an odd number. [1]
(b) Jane has a different set of cards.
These are Jane’s cards.
These are Jane’s cards.
| 2 | 2 | 4 | 7 | 9 | 15 | 15 | 21 |
Jane chooses a card at random from her set of cards.
On the probability scale below, mark the points A and B where:
(i) A is the probability of Jane choosing a number less than 10, [1]
(ii) B is the probability of Jane choosing the number 15. [1]
| Scheme | Marks | Comments |
|---|---|---|
| 3 | B1 |
| Scheme | Marks | Comments |
|---|---|---|
(i) | B1 | A should be between 1/2 and 3/4 exclusive. B0 if no labels. |
(ii) | B1 | B should be between 1/8 and 3/8 exclusive. Award B1 if no labels and both marks are positioned correctly. [A should be between 1/2 and 3/4 exclusive.] |