# expected value 中文是什么意思

• 期待值
• 期望价值
• 期望值
• 数学期望
• 预待值
• 预期价值，预期价值法
• 预期值(统计)
###### 例句与用法
• The expected value itself very rarely can help us .
期望值本身很难帮助我们。
• The decision of expected value of salary in choosing occupations
职业选择中工资期望值的确定
• Used to look up expected values by key in
中的键查找期望的值
• Expected value of a penalty function for a markovian risk model
一类马尔可夫风险模型罚金函数的期望
• Expected value of finite fission chain lengths of pulse reactors
脉冲堆有限裂变链长的数学期望值分析
• Result may not be an expected value
可能得到非预期的结果值
• So how do you calculate the expected value for your investment in a tool
那么如何计算投资某种工具的期望值？
• Test the content of string variables and accept only expected values
测试字符串变量的内容，只接受所需的值。
• The expected valued of a penalty function for a pdmp insurance risk model
一类逐段决定风险模型罚金函数的期望英
• The renewal equation of the expected value of discounted penalty at ruin time and its applications
一类交错更新风险过程的罚金函数
• 更多例句：  1  2  3  4  5

###### 百科解释
In probability theory, the expected value (or expectation, mathematical expectation, EV, mean, or the first moment) of a random variable is the weighted average of all possible values that this random variable can take on. The weights used in computing this average correspond to the probabilities in case of a discrete random variable, or densities in case of a continuous random variable.

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