设<img data-latex="X\sim N(0,1)" data-qs-formula="true" src="data:image/png;base64,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" style="vertical-align: middle;">,<img data-latex="\varnothing (x)" data-qs-formula="true" src="data:image/png;base64,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" style="vertical-align: middle;">是<img data-latex="X" data-qs-formula="true" src="data:image/png;base64,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" style="vertical-align: middle;">的分布函数,则下列式子成立的是( )
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出自:西南石油大学土木工程施工与组织(专升本)