Daily tweets on probability from @JohnDCook.
How to interpolate a Brownian motion sample. Two plausible but wrong approaches and the right approach.
Long runs of patients assigned the same treatment in a randomized trial are more likely than naive probability arguments would predict.
Suppose you're playing a game where you take 10 steps of a random size. Here are two variations on the game. Which will give you a better chance of ending up far from where you started? You take your...
Simple but remarkably accurate approximations for exp(-x^2) based on a cosine function. The approximations are also upper and lower bounds.
An overview of probability distribution functions in Excel