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4人参加乒乓球比赛,每2人对战一场,甲战胜乙的概率是0.4,乙战胜丙的概率是丙战胜丁概率的2倍。已知乙在比赛中对甲、丙均取胜的概率是0.18,问丙战胜丁的概率为? (水城百事)

by 匿名, Thursday, March 19, 2026, 07:55

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  19 views

丙战胜丁的概率是独立事件,并不会因为其他条件的不同而改变

by 匿名, Thursday, March 19, 2026, 08:53 @ 匿名

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  6 views

兜这么大一个圈子

by 0.09, Thursday, March 19, 2026, 09:33 @ 匿名

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  4 views

0.15

by 匿名, Thursday, March 19, 2026, 09:41 @ 0.09

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  2 views
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