从随机理论中的二项式分布出发，定量分析了伽尔顿板实验，给出了分布函数。
This paper begins with the binomial distribution in the random theory and then furthers on analysis of the distributive curve of Galton board experiment.
返回一个数值，它是使得累积二项式分布的函数值大于等于临界值α的最小整数。！
Trials probability_s alpha! ! Returns the smallest value for which the cumulative binomial distribution is greater than or equal to a criterion value!
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