“THE 80/20 PRINCIPLE AND CHAOS THEORY Probability theory tells us that it is virtually impossible for all the applications of the 80/20 Principle to occur randomly, as a freak of chance. We can only explain the principle by positing some deeper meaning or cause that lurks behind it. Pareto himself grappled with this issue, trying to apply a consistent methodology to the study of society. He searched for “theories that picture facts of experience and observation,” for regular patterns, social laws, or “uniformities” that explain the behavior of individuals and society. Pareto’s sociology failed to find a persuasive key. He died long before the emergence of chaos theory, which has great parallels with”