If you follow through from the independent theory, there's one of the basic relations in probability theory-- it's called the binomial distribution.

如果继续往下看,在概率论里有一个基本的概念,叫做二项分布

耶鲁公开课 - 金融市场课程节选

This is another concept that is very basic to statistics, but it has particular use in finance, so I'll give you a financial example.

这是统计学中又一个基本概念,在金融学中广泛使用,那我就举一个金融领域的例子

耶鲁公开课 - 金融市场课程节选