The chain rule for entropy
Why $H(X, Y) = H(X) + H(Y \mid X)$, how it extends to any number of variables, and how it finds whichever entropy is awkward to compute directly.
About 25 minutes6 activities Paper packet
Why $H(X, Y) = H(X) + H(Y \mid X)$, how it extends to any number of variables, and how it finds whichever entropy is awkward to compute directly.
About 25 minutes6 activities Paper packet