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1 . 乒乓球单打决赛在甲、乙两名运动员间进行,决赛采用
局
胜制
即先胜
局者获胜,比赛结束
,已知每局比赛中甲获胜的概率为
,则在本次决赛中甲以
的比分获胜的概率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84783b6ba0f36789519816101a437f46.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-05-05更新
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3卷引用:四川省资阳市外国语实验学校2021-2022学年高二下学期期中数学试题(理)