假设随机变量服从正态分布,μ=10,σ=5,则P(X≤5)和P(X≥20)分别为()。A、0.0228,0.1587B、0.1587,0.02280C、3413,0.4772D、0.4772,0.3413
假设随机变量服从正态分布,μ=10,σ=5,则P(X≤5)和P(X≥20)分别为()。
A、0.0228,0.1587
B、0.1587,0.02280
C、3413,0.4772
D、0.4772,0.3413
发布时间:2024-11-03 19:27:36
假设随机变量服从正态分布,μ=10,σ=5,则P(X≤5)和P(X≥20)分别为()。
A、0.0228,0.1587
B、0.1587,0.02280
C、3413,0.4772
D、0.4772,0.3413