RI H2 Maths P2 Annex B

ANNEX B RI H2 Maths JC2 Prelim P2 Qn/No Topic Set Answers 1 Integration Techniques (i)  32 4 14 x x (ii) 1 2 sin 2 11 2ln 81 241 4 x x C xx     2 Inequalities (i) 0x  or 10 3 x a  or 2x a (ii) 2 10 9 x a  or 24x a 3 Functions (ii) 2 (iii) 3 (iv)   2gf : ln 2 8 9 , 3xx xx   (v) [0, ) 4 Complex Numbers (ii) 33s i n 62 h  (iii) 43 3 i  (iv)   20a r g 4 3i 3 z    5 Arithmetic and Geometric Progressions (a) 243 3; 493 (b) (i) 0.2d  (ii) 600(1 0.99 )n (iii) 21 6 Sampling (ii) Stratified or quota sampling. 7 Hypothesis Testing (i) 13.61x ; 2 2.31s  (ii) 0H : 0  vs 1H : 0  (iii) 0 14.0  8 Permutations and Combinations (i) 3 628 800 (ii) 2 983 680 (iii) 28800 9 Probability (ii) 40 10 Poisson Distributions (i) 0.677 (ii) 0.116 (iii) 0.842 (iv) 0.869

11 Correlation and Regression (ii) 46.1 7.52yx ; 8.43y  (iv) r = 0.995 (v) 14.9, 0.171ab  32% 12 Normal Distributions (i) 0.0745 (ii) 0.941 (iii) 0.0478 (iv) 0