(单选题)
设X~N(1,0.25),则P(0A2φ(0.501)
B2φ(2)-1
C2φ0.5-1
D1-2φ(2)
正确答案
![来源:www.examk.com](data:image/png;base64,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)
答案解析
略
A2φ(0.501)
B2φ(2)-1
C2φ0.5-1
D1-2φ(2)
正确答案
答案解析
略
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