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设相互独立的两个随机变量<img src=""https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/14836027696378cd2a7fc81534fb19c4aadceee0fc0ffimage73.png"">与<img src=""https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1483602769680bd0231568b0843139fa84be532421e51image58.png"">具有同一分布律,且<img src=""https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1483602769716c5a354504229436cadd8484ff805c56bimage74.png"">的分布律为<img src=""https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1483602769756de7f9bb7523d4a0bb9e1eaae0ff7a648image57.png"">0 1<img src=""https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/148360276979397ca5b74e862430ab2a483b4f46a1176image75.png""><img src=""https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/148360276987185bb140dee764f338ee5f6cb7e6515f9image76.png""> <img src=""https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/14836027699104faf4d55baf44765bded8ec0e0d4fd71image77.png"">则随机变量<img src=""https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1483602769947ec496184fcf747d9ac056f54a20ac564image78.png"">的分布律为( )
·<img src=""https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1483602770008c104157989454f23901be7f7188a0dd0image79.png"">
·<img src=""https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/148360277006201b590324bdf4ea2ad0a6eb5938cd076image80.png"">;
·<img src=""https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1483602770130a30cda1edf314cda82a0a8044ac2b4caimage81.png"">
·<img src=""https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1483602770161cb73f7ae96fe4032ae0c4054d41f2e00image82.png"">。"

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出自：佳木斯大学语言治疗学

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