14-S2-Q13 Read more about 14-S2-Q13 Sum of series, expectation. [STEP II 2014 Question 13 (Mechanics)]
10-S1-Q12 Read more about 10-S1-Q12 Expectation algebra, toy penguins from cereal boxes. [STEP I 2010 Question 12 (Probability and Statistics)]
08-S1-Q12 Read more about 08-S1-Q12 Expectation, median. [STEP I 2008 Question 12 (Probability and Statistics)]
07-S3-Q12 Read more about 07-S3-Q12 Expectation, variance and covariances, sum of random variables. [STEP III 2007 Question 12 (Probability and Statistics)]
90-S3-Q15 Read more about 90-S3-Q15 Marginal distribution, mean, expectation, probability, unbiased 12-sided die, dice. [STEP III 1990 Question 15 (Probability and Statistics)]
