17-S1-Q12 Read more about 17-S1-Q12 Lottery, random numbers, expected profit, expected loss, popular numbers. [STEP I 2017 Question 12 (Probability and Statistics)]
01-S2-Q12 Read more about 01-S2-Q12 Ruritania, integer, combinatorics, expectation, C1. [STEP II 2001 Question 12 (Probability and Statistics)]
00-S3-Q12 Read more about 00-S3-Q12 Combinatorics, binomial approximation, exponential function, expectation, C1-ish. [STEP III 2000 Question 12 (Probability and Statistics)]
