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

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

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

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