The central limit theorem started as a bar trick for 18th-century gamblers. Now scientists rely on it every day.

The IQ bell curve meme, also referred to as the “midwit” meme, makes use of a graph representation of the probability theory of normal distribution. This graph, commonly known as the “bell curve” for ...

Drop a single ball through a field of pegs and you have no idea where it will land. Drop a thousand balls and they will form a near perfect bell curve every single time. This simple observation is one ...