So first, I choose a volatility randomly, from some distribution of possible volatilities 2 from to, in this case, 0.2.

来决定的一个值，所以首先我先随机选择一个浮动值，从可能的浮动值中的分布进行选择,在这个例子中就是0。

麻省理工公开课 - 计算机科学及编程导论课程节选

I think that may be the first-known statement of the binomial distribution.

我认为这就是最早的,关于二项分布的阐述

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So, there are 2 different things that we can compare when we're comparing graphs of radial probability distribution, and the first thing we can do is think about well, how does the radius change, or the most probable radius change when we're increasing n, when we're increasing the principle quantum number here?

当比较这些径向概率分布图,的时候，我们可以比较两个东西，第一个就是考虑当我们增加ｎ,当我们增加主量子数的时候，半径怎么变，最可能半径怎么变化？

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