By reading the comments on this post I have learned about non-central hypergeometric distributions - which I didn't know about (and turn out to be relevant to a

By reading the comments on this post I have learned about non-central hypergeometric distributions - which I didn't know about (and turn out to be relevant to a bunch of problems I am thinking about for my job). HN readers and contributors at least try to think of themselves as the grown-ups in the room. So, by having conversations about contentious topics in a civilized and respectful way, we learn things.