Write at least two different ways that the joint probability p(X,Y,Z) could be broken down into a product of three probabilities using the chain rule.
The naïve Bayes classifier is so called because it makes a series of very naïve conditional independence assumptions. What are they?
Consider the map/dictionary type in the language of your choice. If you have a key and you aren't sure it's in the map, what can/should you do? Do you need to first check if it's present? (_Can_ you?) What happens if you try to access a key that isn't present?
