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# bayes-theorem

1. ### Bayes Theory

Hi David, I have a question concerning an old video on YT concerning the Bayes Theory. The YT link is here, , my question concerns how you have arrived at the values in the formula, specifically the values in the denominator of P(U). In the formula, you have: P(G/U) = P(U/G) * P(G) / P(U)...
2. ### CFA Level 1 CFA: Correlation, covariance and probability topics

Session 2, Reading 9 (Part 2): This video reviews portfolio variance and covariance, where covariance is the expected cross-product. We look at correlation, which is given by the covariance divided by the product of standard deviations, and therefore standardizes the covariance into a unitless...
3. ### YouTube T2-9c Bayes Theorem, Three-state variable

This explores the answer to Miller's sample question in Chapter 6 of Mathematics and Statistics for Financial Risk Management. There are three types of managers: Out-performers (MO), in-line performers (MI) and under-performers (MU). The prior probability that a manager is an outperformer is...