如果X~φ(x),而<img src='https://img2.soutiyun.com/latex/latex.action' />,则P(X≤1.5)=( ).

A.0.875 B.<img src='https://img2.soutiyun.com/latex/latex.action' />C.<img src='https://img2.soutiyun.com/latex/latex.action' />D.<img src='https://img2.soutiyun.com/latex/latex.action' />

时间:2023-08-22 12:55:37

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