Foundation November 2018 Paper 2 Q12
12 There are 49 counters in a bag.
20 of the counters are red.
The rest of the counters are blue.
One of the counters is taken at random.
Find the probability that the counter is blue. (2)
| Answer | Mark | Mark scheme |
|---|---|---|
| \(\dfrac{29}{49}\) | P1 | for \(\dfrac{29}{a}\) where \(a \gt 29\) or \(\dfrac{b}{49}\) where \(b \lt 49\) or \(1 - \dfrac{20}{49}\) or \(\dfrac{49 - 20}{c}\) where \(c \gt 49 - 20\) OR for 29 and 49 with incorrect notation eg 29 : 49 |
| A1 | oe |
Additional guidance
Acceptable equivalents are any equivalent fraction to \(\dfrac{29}{49}\), decimal 0.59 (…) or 59 (…)%