mathematical expectation

基本解释

Experimental Verification : Theory formula is the average value of the random variable mathematical expectation (estimated) formula.
实验验证：理论平均值公式就是随机变量取值的数学期望（估计）计算公式。
A double forecasting model is proposed by using conditional mathematical expectation, based on probability distribution of port cargo throughput.
在得出港口货物吞吐量概率分布的基础上，利用条件数学期望提出了港口货物吞吐量的双层预测模型。
At the same time, according to analysis the mathematical expectation of the number of drawed tickets, this essay is trying to raise some advice for the department responsible for …
同时，通过分析在中彩时，已摸过的彩票数目的数学期望，向彩票发行者提出了几点建议。

And the mathematical expectation is how much wins when it wins, and how much it loses when it loses.
FORBES: Using Price Trends to Maximize Profits
Really, at the end of the day, what you are doing is, you are determining the probability and the mathematical expectation, which is the probability of how often it loses.
FORBES: Using Price Trends to Maximize Profits