The Galton board, also known as the quincunx, is a classic probability experiment invented by Sir Francis Galton in the 19th century. It consists of a vertical board with rows of evenly spaced pegs arranged in a triangular pattern. Small balls are dropped from the top and, as they fall, they bounce randomly left or right when hitting each peg. Eventually, the balls collect in bins at the bottom. Though each path is random and unpredictable, the overall distribution of many balls forms a distinct

Galton board normal distribution model | Nikola Toy