http://www.scottaaronson.com/democritus/lec9.html http://www.scottaaronson.com/democritus/lec9.html The above is a good accessible exposition of this perspecti

http://www.scottaaronson.com/democritus/lec9.html http://www.scottaaronson.com/democritus/lec9.html The above is a good accessible exposition of this perspective. Though it would help to have some acquaintance with ordinary probability as well as basic linear algebra.