设U~N(0, 1),且 P(UA. 1是N(0,1)分布的0.8413分位数
B. 0. 8413是随机变量U超过1的概率
C. 0. 8413是随机变量U不超过1的概率
D. Φ(1) =0. 8413,并记为 u0.8413=1
E. P(U>1) =0. 1587
2023-06-05
参考答案:ACDE
标准正态分布的a分位数uα满足P(X≤uα)=α,则1是N(0, 1)分布的0.8413分位数;0. 8413是随机变量U不超过1的概率;P(U0.8413= 1。由于P(U=1) =0,所以P(U>1)=1-P(u
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