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The values of $$X$$ are normally distributed with a mean of 9 and a standard deviation of 2. The values of $$Y$$ are normally distributed with a mean of 3 and a standard deviation of 1.
Quantity A
The fraction of values of $$X$$ between 5 and 11
Quantity B
The fraction of values of $$X$$ between 1 and 4
C显示答案
· 相关考点
5.3.2 正态分布
5.3.2 正态分布
以上解析由 考满分老师提供。