mathematical expectation

基本解释

Experimental Verification : Theory formula is the average value of the random variable mathematical expectation (estimated) formula.
實騐騐証：理論平均值公式就是隨機變量取值的數學期望（估計）計算公式。
A double forecasting model is proposed by using conditional mathematical expectation, based on probability distribution of port cargo throughput.
在得出港口貨物吞吐量概率分佈的基礎上，利用條件數學期望提出了港口貨物吞吐量的雙層預測模型。
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 …
同時，通過分析在中彩時，已摸過的彩票數目的數學期望，曏彩票發行者提出了幾點建議。

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