[单选题]设随机变量X~N(2,σ²),且P{2≤X≤4}=0.1,则P{X≤0}= A 0.1 B 0.2 C 0.3 D 0.4
[单选题]设随机变量X~N(2,σ²),且P{2≤X≤4}=0.1,则P{X≤0}= A 0.1 B 0.2 C 0.3 D 0.4
发布时间:2025-06-13 16:24:29
[单选题]设随机变量X~N(2,σ²),且P{2≤X≤4}=0.1,则P{X≤0}= A 0.1 B 0.2 C 0.3 D 0.4