A normal distribution is the classic bell curve that appears so frequently in statistics.

正态分布是典型的钟形曲线，这在统计学中经常出现。

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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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3 For many random variables, a good choice is the normal distribution, often represented as a bell-shaped curve, shown in Figure 1.

3对于许多随机变量来说，一个好的选择是正态分布，常常表现为一个钟型曲线，如图1所示。

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Noted mathematician Carl Friedrich Gauss gave us the normal distribution or bell curve.

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To see what was going on, Dr Hansen superimposed the actual curves for each decade from the fifties to the noughties on a normal distribution, which acted as a reference curve.

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It used to be that Wall Street was functioning on the basic idea that financial events were subject to something very like a normal distribution, also known as a bell curve.

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