This is a classic result in Bayesian theory. Here is someone else explaining it. https://betterexplained.com/articles/an-intuitive-and-short-explanation-of-ba

This is a classic result in Bayesian theory. Here is someone else explaining it. https://betterexplained.com/articles/an-intuitive-and-short-explanation-of-bayes-theorem/ https://betterexplained.com/articles/an-intuitive-and-short-...