OCR A LEVEL MATHEMATICS, MATHS B (MEI) PAPER 2 H640/02: MARK SCHEME JUNE 2022; PURE MATHS AND STATISTICS.
Y is the number of 12s obtained in 30 rolls;
0.16 – 0.163 BC A1 1.1 allow B2 for 0.1628 – 0.163 unsupported
[2]
12 (a) H0 : μ = 1.5
H1 : μ < 1.5
B1 1.1 both hypotheses in terms o...
OCR A LEVEL MATHEMATICS
MATHS B MEI PAPER 2 H640/02: FINAL
MARK SCHEME JUNE 2022; PURE
MATHS AND
STATISTICS
,GCE
Mathematics B MEI
H640/02: Pure Mathematics and Statistics
A Level
Mark Scheme for June 2022
, Oxford Cambridge and RSA Examinations
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candidates’ scripts must be given marks that fairly reflect the relevant knowledge and skills
demonstrated.
Mark schemes should be read in conjunction with the published question papers and the report on
the examination.
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