Higher June 2018 Paper 4 Q10
10 60% of the people in a town are males.
20% of the males are left-handed.
21.6% of all the people are left-handed.
Work out the percentage of the people who are not male who are left-handed. [5]
| Answer | Marks | Part marks and guidance | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 24 | 5 | accept any correct method e.g. M1 for 1 – [0].6 soi by [0].4 or 40 M1 for [0].6 × [0].2 or [0].12 or 12 soi by [0].096(9.6) M1 for [0].216 – [0].12 or [0].096(9.6) M1 for their [0].096 ÷ [0].4 or [0].24 | Working may be in decimals (or %) e.g. table based on 100 :
| ||||||||||||||||