This is a single lecture from a course. If you you like the material
and want more context (e.g., the lectures that came before), check out
the whole course:
https://users.umiacs.umd.edu/~jbg/teaching/CMSC_723/
(Including homeworks and reading.)
https://www.youtube.com/watch?v=b56eAUCTLok
Starting 0:08
Bayes' Rule refresher: https://www.youtube.com/watch?v=NBvs7-YOqnw&t=343s
Music: https://soundcloud.com/alvin-grissom-ii/review-and-rest