We have expected value, mean or average.

我们可以用期望值，或者是平均值。

youdao

That's called the expected value. People also call that the mean or the average.

这叫做期望值，人们也成为均值或平均值。

youdao

That's called the expected value. People also call that the mean or the average.

这叫做期望值，人们也成为均值或平均值。

youdao