(单选题)
设随机变量X~N(1,4),则P(0A1-2Φ(0.5)
B2Φ(0.5)-1
C2u0.5-1
D1-2u0.5
正确答案
![来源:www.examk.com](data:image/png;base64,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)
答案解析
略
A1-2Φ(0.5)
B2Φ(0.5)-1
C2u0.5-1
D1-2u0.5
正确答案
答案解析
略
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