金融学中我们常假设随机变量,例如收益率,是服从正态分布的
We often assume in finance that random variables, such as returns,are normally distributed.
我们经常在金融学中假设随机变量,比如回报,是正态分布的。
We often assume in finance that random variables, such as returns, are normally distributed.
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。
3 For many random variables, a good choice is the normal distribution, often represented as a bell-shaped curve, shown in Figure 1.
轨道几何不平顺为平稳的正态分布和各态历经的随机变量。
The track geometry irregularity is a stable normal distribution and state-history random variable.
本文通过分析确认了居民燃气消耗量的随机性,进而证明其为服从正态分布的随机变量。
The paper affirms the stochastic properties of household gas consumption, and then proves a random variable in normal distribution.
分析中随机变量取正态分布。
The random variables follow normal distribution in this analysis.
论文通过分析船公司在港口的月集装箱需求量得出其在港口的年集装箱需求量是一个符合正态分布的随机变量。
This essay deduces that the demanded container number in one port in a year is a normal school stochastic variable by analyzing the data.
热疲劳;随机变量;概率分析;焊点;对数正态分布;
Thermal fatigue Random variable Probabilistic analysis Solder joint Lognormal distribution;
热疲劳;随机变量;概率分析;焊点;对数正态分布;
Thermal fatigue Random variable Probabilistic analysis Solder joint Lognormal distribution;
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