A random number between 1 and 2 is a number selected with equal probability from the set {1, 2}. For example, rolling a fair six-sided die and observing either a one or a two constitutes a random number between 1 and 2.
Random numbers between 1 and 2 are fundamental building blocks of probability and statistics, enabling various applications, such as modeling coin flips, performing simulations, and generating random samples. Their significance dates back to the 17th century when Pierre de Fermat and Blaise Pascal laid the groundwork for probability theory.