Math Central on Instagram: "A Galton pyramid (or Galton board) illustrates the Normal distribution by showing how many small random events combine to create a predictable bell-shaped pattern. As balls drop through rows of pegs, each bounce sends a ball left or right with equal probability. Although each individual path is random, most balls end up near the center because there are many more ways to take a balanced mix of left and right bounces than to take all left or all right. When many balls