Ocr mathematics - Study guides, Class notes & Summaries

OCR AS Level Mathematics B (MEI) H640/01 Pure Mathematics and Mechanics QUESTION PAPER AND MARK SCHEME FOR JUNE 2023 (MERGED)

Official summer 2024 OCR GCE Mathematics A H230/02: Pure Mathematics and Mechanics AS Level Merged Question Paper + Mark Scheme + Answer Booklet

2 © OCR 2023 H230/02 Jun23 x 2 2 Formulae AS Level Mathematics A (H230) 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, where nC = C = c n m = n! r n r r r!^n-rh! Differentiation from first principles fl^xh = lim f^x+hh-f^xh h "0 h Standard deviation / x 2 / fx2 = n -x 2 or = / f -x 2 The binomial distribution If X ~ B^n, ph then P^X = xh = c n mp x^1-ph n-x , mean of X is np, variance of X is np^1 ...