a_standard_normal_distribution

1.The standard statistical approach to risk management is based on a “bell curve” or normal distribution, in which most results are in the middle and extremes are rare.
在统计学中，风险管理的标准方法是基于“钟形曲线”（或曰正态分布）的，绝大多数结果分布在中间，极端情况十分罕见。
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2.The standard pattern distribution of normal population: Most (74.5%, 82/110) of the unrelated healthy individuals displayed such a pattern without any translocation, hybridization and mosaicism.
正常人的标准带型分布：在检测的110名正常人中，74.5％（82／110）为标准带型，无易位、杂合、体细胞嵌合等情况。
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3.RANDN (n) is an N-by-N matrix with random entries, chosen from a normal distribution with mean zero, variance one and standard deviation one.
是一个n - n矩阵随机作品，选自正态分布均值为零，方差一个标准偏差为一。
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