Higher November 2020 Paper 6 Q12
12 Students are asked to choose one subject from Option A and one subject from Option B.
| Option A | Option B |
|---|---|
| Economics Geography History Media Studies | Art Drama Engineering German Graphics Music PE |
If a student chooses their subjects at random, what is the probability that both subjects have the same first letter? [3]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| \(\frac{4}{28}\) oe or 0.1428 to 0.143 | 3 | M1 for 4 correct combinations soi by highlighting in list or table or by unsimplified numerator 4 M1 for 4 × 7 soi by complete list or table or by 28 Alternative method M2 for \(\left(\frac{1}{4} \times \frac{1}{7}\right) + \left(\frac{1}{4} \times \frac{2}{7}\right) + \left(\frac{1}{4} \times \frac{1}{7}\right)\) oe or M1 for \(\frac{1}{4} \times \frac{1}{7}\) or \(\frac{1}{4} \times \frac{2}{7}\) oe seen | Economics Engineering Geography German Geography Graphics Media Music |