Each code is documented and the subject contained within, here's the list of the contents.

HW 1 Empirical Probability
HW 2 (Questionable) Pi Estimation
HW 3 Probability Distribution
HW 4 Empirical Rule of Normal Distribution
HW 5 ???? :D
HW 6 Mean and Variance of Conditional Probability
HW 7 Mean as Balance point
HW 8 Statistical Mode
HW 9 Parameter Estimation
HW 10 Interval Estimation
HW 11 Hypothesis Testing
HW 12 Central Limit Theorem