Foundation November 2019 Paper 2 Q9
9 Here is a list of numbers.
6 4 8 9 4 3
(a) Work out the median. (2)
Aisha picks at random one of the numbers.
(b) What is the probability that she picks an odd number? (2)
Clara has five cards.
There is a number on each card.
Two of the numbers are hidden.
The mode of the five numbers is 3
The mean of the five numbers is 5
(c) Work out the two numbers that are hidden. (2)
| Answer | Mark | Mark scheme |
|---|---|---|
| 5 | M1 | for listing numbers in order, eg 3 4 4 6 8 9 or answer of 4, 6 or answer of 8.5 |
| A1 | cao |
Additional guidance
Condone one error or additional number
| Answer | Mark | Mark scheme |
|---|---|---|
| \(\dfrac{2}{6}\) | M1 | for \(\dfrac{2}{x}\) with \(x \gt 2\) or for \(\dfrac{y}{6}\) with \(y \lt 6\) |
| A1 | for \(\dfrac{2}{6}\) oe |
Additional guidance
Incorrect notation can imply a correct method.
Award M1 for eg 2 out of 6 or 2 in 6 or 2 : 6
Accept any equivalent fraction, decimal form 0.33(33..) or percentage form 33(.33..)%
| Answer | Mark | Mark scheme |
|---|---|---|
| 3, 6 | P1 | for at least one 3 or \(5 \times 5\ (= 25)\) |
| A1 | for 3, 6 or 6, 3 |
Additional guidance
Numbers may be seen on the cards (but the answer line takes precedence)