Definition:
Pareto priciple aslo known as 80/20 rule.
80% of outcomes can be attributed to 20% of all causes for a given event.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiPKqvPPDdu0tzC-Aeh7Oqo3cO9Lk7ml4MylS3jfk4mnKGDLa_1p-k-BE_4n1I_cu1HQ5Prz3emzz7g462r9bDhd4FVyhSZizg4vj13JfkUSfLQBaXGa878ftW32WROykpzOTNCSlJ_VZI/s640/Screenshot_19.png)
Examples:
80% of a company's revenue is generated by 20% of its total customers.
80% of our complaints come from 20% of our customers.
80% of our quality issues occur with 20% of our products.