Bayes for beginners videos.

How to explain it plain E:
https://www.khanacademy.org/math/statistics-probability/probability-library/conditional-probability-independence/v/calculating-conditional-probability
http://www.watchknowlearn.org/Video.aspx?VideoID=16751&CategoryID=4457

https://www.khanacademy.org/math/ap-statistics/probability-ap/stats-conditional-probability/v/bayes-theorem-visualized
https://www.khanacademy.org/partner-content/wi-phi/wiphi-critical-thinking/wiphi-fundamentals/v/bayes-theorem
https://www.youtube.com/watch?v=Y-V4rfdl3NI
https://brilliant.org/wiki/bayes-theorem/