4MA0 Higher January 2013 Paper 4 Q6

EdexcelHigherOld spec5 marksFractions

6 \(\tfrac{5}{9}\) of the students in a group are male.
\(\tfrac{5}{6}\) of the female students in the group are right-handed.

(a) Work out the fraction of students in the group who are right-handed females. (3)

(b) Find the smallest possible number of students in the group. (2)

Mark scheme (a)

Scheme	Marks
\(1 - \tfrac{5}{9}\) or \(\tfrac{4}{9}\) seen	M1
\(\text{“}\tfrac{4}{9}\text{”} \times \tfrac{5}{6}\) oe or \(\tfrac{5}{9} \times \tfrac{5}{6}\) oe	M1
\(\tfrac{20}{54}\) or \(\tfrac{10}{27}\)	A1
	(3)

M1: \(\tfrac{4}{9}\) oe