NO.PZ2020010303000004
问题如下:
If X is a standard uniform, what is Pr(0.2 What about Pr(l 选项: 解释: In a standard uniform, the probability between two points only depends on the distance between them, so Pr(0.2 < Z < 0.4) = 0.4 - 0.2 = 20% and Pr(l < X < u) = u - l.
按照均匀分布的密度函数公式,应该是f(x)=1/b-a,为什么P(0.2