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题目内容双击单词支持查询和收藏哦～
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
$$\frac{1}{6}$$
B显示答案
以上解析由 考满分老师提供。
