Foundation June 2024 Paper 1 Q12

12 The table shows information about the number of school lunches each of 30 students had in one week.

(a) Work out the mean number of school lunches. (3)

The probability that Alex takes a packed lunch to school is 0.79

(b) Work out the probability that Alex does not take a packed lunch to school. (1)

Mark scheme (a)

Scheme	Marks
(0 × 2) + (1 × 5) + (2 × 11) + (3 × 7) + (4 × 4) + (5 × 1) (= 69) or 0 + 5 + 22 + 21 + 16 + 5 (= 69)	M1
“69” ÷ 30	M1
Working not required, so correct answer scores full marks (unless from obvious incorrect working) Answer: 2.3	A1
	(3)

M1: for at least 4 products added (need not be evaluated) or for 71

M1: dep on M1