Contents Probability Why Study Probability? What is Probability? Darwin awards Not so fast, Charles Calculation of Probability Independence Venn Diagrams Bayes's Theorem Problems Counting possibilities Return to New York Binomial Expansion Binomial Distribution Plotting the distro Sharpness as N gets bigger Continuous distributions Problem Infinitesimals in probability Problem Averaging Gambling doesn't pay, sometimes There are many ways to skin a guanabana Averages of continuous variables Properties of averages Problems Averages in involving multiple variables Variance: just how fat is your distribution? Gaussians are quite normal Here there and everywhere Random Walks Correlations Correlation vs. Causation Linear Regression Statistics Introduction Simple Example Unbiased estimates Hypothesis testing But what if I goofed? Goofing up for fame and fortune Forming a statistic The shape of the distribution Variance of mean differences There's no such thing as a brontosaurus How to do the t-test Example t-test data example Can you beat Wall Street? What are stocks? Stock Trading: a market minute on NASDAQ Bob's uncanny stock investment advice How random? Deceptive Correlations Stocks and Random Walks Random Walks and Volatility Stock beta calculation Further issues with Stocks