What's in the modules?
Continuous Random Variables
Discrete Random Variables
Combining Random Variables
Estimation, Confidence Intervals and Tests
Goodness of Fit and Contingency Tables
Regression and Correlation
Amusing harder questions on conditional probability and Venn diagrams. And some answers when you have had a go. YES
An excellent website with lots of permutations and combinations questions. Multiple choice and answer online, but the working out will need to happen with pen on paper! YES
On the pros and cons of the standard deviation compared to other methods of measuring the spread of a set of data.