随机变量X服从正态分布N(0,1)，Y=2X+1，则【 】。A. pY leq 0 = (1)/(2)B. pY leq 1 = (1)/(2)C. pY geq 2 = (1)/(2)D. pY geq 3 = (1)/(2)

随机变量$X$服从正态分布$N(0,1)$，$Y=2X+1$，则【 】。

A. $p\{Y \leq 0\} = \frac{1}{2}$

B. $p\{Y \leq 1\} = \frac{1}{2}$

C. $p\{Y \geq 2\} = \frac{1}{2}$

D. $p\{Y \geq 3\} = \frac{1}{2}$