H640 - Study guides, Class notes & Summaries
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OCR. OXFORD CAMBRIDGE AND RSA. A Level Mathematics B (MEI) H640/01 Pure Mathematics and Mechanics Sample Question Paper	Version 2
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OCR. OXFORD CAMBRIDGE AND RSA. A Level Mathematics B (MEI) H640/01 Pure Mathematics and Mechanics Sample Question Paper	Version 2
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OCR AS LEVEL Mathematics B MEI H640/03 JUNE 2022 FINAL MARK SCHEME > Pure Mathematics and Comprehension
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OCR AS LEVEL Mathematics B MEI H640/03 JUNE 2022 FINAL MARK SCHEME > Pure Mathematics and Comprehension
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OCR 2023 GCE MATHEMATICS B MEI H640/03: PURE MATHEMATICS AND COMPREHENSION A LEVEL QUESTION PAPER & MARK SCHEME (MERGED)
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2 
© OCR 2023 H640/03 Jun23 
= 
e 
n+1 
2 
Formulae A Level Mathematics B (MEI) (H640) 
Arithmetic series 
S = 
1 
n^a+lh = 
1 
n"2a+^n-1hd, 
n 2 2 
Geometric series 
Sn 
= 
a^1-r 
nh 
1 -r 
 a 
3 1 -r 
for r 1 1 
Binomial series 
^a+bh 
n 
= a 
n + 
nC1 
a 
n-1 
b+ 
nC2 
a 
n-2 
b 
2 +f+ 
nCr 
a 
n-r 
b 
r +f+ b 
n ^n e Nh, 
n 
Jn 
N n! 
where 
Cr 
= n 
Cr 
= K 
r 
O = 
r!^n -rh! 
L P 
^1+xh 
n 
= 1+nx+ 
n^n -1h 
x 
2 
+f+ 
n^n - 1hf^n -r+1h 
x 
r 
+f 
^x 1 1, n e Rh 
2! 
Differentiation 
f^x...
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OCR. OXFORD CAMBRIDGE AND RSA GCE MATHEMATICS B (MEI) H640/01: PURE MATHEMATICS AND MECHANICS: ADVANCED GCE. MARK SCHEME FOR JUNE 2019
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OCR. OXFORD CAMBRIDGE AND RSA GCE MATHEMATICS B (MEI) H640/01: PURE MATHEMATICS AND MECHANICS: ADVANCED GCE. MARK SCHEME FOR JUNE 2019
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OCR. OXFORD CAMBRIDGE AND RSA GCE MATHEMATICS B (MEI) H640/01: PURE MATHEMATICS AND MECHANICS: ADVANCED GCE. MARK SCHEME FOR JUNE 2019
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OCR. OXFORD CAMBRIDGE AND RSA GCE MATHEMATICS B (MEI) H640/01: PURE MATHEMATICS AND MECHANICS: ADVANCED GCE. MARK SCHEME FOR JUNE 2019
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OCR AS Level Mathematics B (MEI) H640/02 JUNE 2022 ACTUAL QUESTION PAPER> Pure Mathematics and Statistics
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OCR AS Level Mathematics B (MEI) H640/02 JUNE 2022 ACTUAL QUESTION PAPER> Pure Mathematics and Statistics
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ocr A Level Mathematics B (MEI) H640-01 June2023 Question Paper.
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ocr A Level Mathematics B (MEI) H640-01 June2023 Question Paper.
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ocr A Level Mathematics B MEI (H640-02) Mark Scheme June2022
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ocr A Level Mathematics B MEI (H640-02) Mark Scheme June2022
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ocr A Level Mathematics B (MEI) (H640-02) Question Paper June2022
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ocr A Level Mathematics B (MEI) (H640-02) Question Paper June2022
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OCR A LEVEL MATHEMATICS, MATHS B (MEI) PAPER 2 H640/02: MARK SCHEME JUNE 2022; PURE MATHS AND STATISTICS
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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 of μ 
μ is the population mean weight of flour in a 
bag 
B1 2.5 allow μ is the population mean weight of a bag of flour 
[2] 
Question Answer Marks AO Guidance 
12 (b) N (
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