您还没有登录,登录以后才可以查看答疑和进行提问。

试题详情

A random variable Y is normally distributed with a mean of 200 and a standard deviation of 10.

Quantity A

The probability of the event that the value of Y is greater than 220.

Quantity B

1/6


答案:B

专业教师答疑

问个问题