设随机变量<img src=""https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1483602766265ae73e1e279ad4e72bf8072bd5de17dc3image5.png"">的概率密度为<img src=""https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/148360276630966ccf2263cdf413cbf7c3198e7b36361image6.png"">则常数<img src=""https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/148360276634597bd754d9e534dc3a114faafdfd254aaimage7.png"">( )A.<img src=""https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1483602766399f0413903e0e94399ac3eb4a6bf2da4f8image8.png""> B.<img src=""https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/14836027664343c6422d902164d83980363bf0a8cae32image9.png""><br>·C：3<br>·D：4"

设随机变量<img src=""https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1483602766265ae73e1e279ad4e72bf8072bd5de17dc3image5.png"">的概率密度为<img src=""https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/148360276630966ccf2263cdf413cbf7c3198e7b36361image6.png"">则常数<img src=""https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/148360276634597bd754d9e534dc3a114faafdfd254aaimage7.png"">( )A.<img src=""https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1483602766399f0413903e0e94399ac3eb4a6bf2da4f8image8.png""> B.<img src=""https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/14836027664343c6422d902164d83980363bf0a8cae32image9.png"">
·C：3
·D：4"

出自：佳木斯大学语言治疗学

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