2012 Njc Prelim H2 Math Exclusive < iOS >

Title: A Critical Retrospective: The Pedagogical Value of the 2012 NJC H2 Mathematics Preliminary Examination

Unlike simple "draw a ball from a bag" problems, NJC presented a 3x3 contingency table with missing values and algebraic variables (e.g., ( a, b, c ) are constants). The question gave three probability conditions (e.g., ( P(A|B) = 0.5 )) to solve for the unknowns before even starting the main probability parts.

3. Binomial & Poisson

2-tailed test

NJC introduced a where the population variance was unknown, but the sample size was large ($n=100$). 2012 njc prelim h2 math