Foundation November 2017 Paper 1 Q17
17 There are 3 cards in Box A and 3 cards in Box B.
There is a number on each card.
Ryan takes at random a card from Box A and a card from Box B.
He adds together the numbers on the two cards to get a total score.
Work out the probability that the total score is an odd number. (2)
| Answer | Mark | Notes |
|---|---|---|
| \(\dfrac{4}{9}\) | M1 | for listed outcomes (allow 1 error eg omission or repeat) or fractions \(\dfrac{1}{3} \times \dfrac{2}{3} + \dfrac{2}{3} \times \dfrac{1}{3}\) |
| A1 | for \(\dfrac{4}{9}\) oe |