查词历史
邻近单词
- expectant
- expected time of finishing loading
- expectantly
- Expected Time of Response
- expectation
- Expected Time of Sailing
- expectations
- expected utility
- expectative
- expected utility value
- expected
- expected value
- expecting
- expected value of perfect information
- expectorant
- expected value saved
- expectorate
- expected volume
- expectoration
- expected yield
- 正在加载“expected value”的释义
例句用法 短语词组 近反义词 海词讲解 英英解释
1.
The expected value of a positive integral power of a random variable. The first moment is the mean of the distribution.
矩,动差任意变量的正整数功效的期望值。第一个矩是分配的平均数
【近义词】
- first moment n. 一次矩,算术平均值... arithmetic mean n. 算术平均值,等差中...
- expectation n.预料,期望
名词 expected value:
1.
the sum of the values of a random variable divided by the number of values


