expected number

• 期望值,期待数

expected number的用法和样例：

例句

1. The expected value itself very rarely can help us.
   期望值本身很难帮助我们。
2. The Six Sigma Black Belt should be able to compute expected values for continuous and discrete random variables.
   西格玛黑带应能计算出连续或离散随机变量的期望值。