设随机变量 X sim N(1,9), 则 P|1 A. Phi((1)/(3))B. Phi(4) - Phi(1)C. Phi((1)/(3)) - Phi(0)D. Phi(1) - 0.5

设随机变量 $X \sim N(1,9)$, 则 $P\left|1 < X < 4\right| = $ ()

A. $\Phi\left(\frac{1}{3}\right)$

B. $\Phi(4) - \Phi(1)$

C. $\Phi\left(\frac{1}{3}\right) - \Phi(0)$

D. $\Phi(1) - 0.5$