So here, what I'd like you to do is identify the correct radial probability distribution plot for a 5 s orbital, and also make sure that it matches up with the right number of radial nodes that you would expect.

这里，你们要辨认,哪个是５ｓ轨道的正确概率分布，并且确保它和你们,预期的节点数相符合。

麻省理工公开课 - 化学原理课程节选

It uses the binomial distribution to calculate the probability of getting any specific number of accidents.

保险公司就可以用二项分布公式,来计算特定数目事故发生的概率

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