And I think we’re getting pretty close to finishing up all the installation and testing on this new blog. Since we’re going to be doing math and science, we need to be able to write mathematics. And I expect we’ll need images. So let’s give them a shot.
The expected value of a function of a discrete random variable is E[f(x)] = \sum_i p_i f(x_i).
And here is a painting by William-Adolphe Bouguereau, a 19th century French painter of the academic school. That sort of romantic/classical/realistic style fell out of fashion and largely remains out of fashion in modern art, but it’s beautiful nonetheless.