expected value
英[ɪk'spektɪd'væljuː]
美[ɪk'spektɪd'væljuː]
- 期望值；预期值
详细释义
Noun:
-
the sum of the values of a random variable divided by the number of values
双语例句
- The expected value itself very rarely can help us.
期望值本身很难帮助我们。 - The term expectation value is often used instead of average value.
期望值这个名称常用来代替平均值。
相关词汇
- first moment 一次矩
- arithmetic mean 算术平均值
- expectation 预料
【近义词】
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