[機統] 一題條件機率
現在有3枚兩面都是正面硬幣,3枚兩面都是反面的硬幣,4枚一面是正一面是反的硬幣
問:任取一枚硬幣,在看到一面是正面的情況下,令一面是正面的機率為何?
答案是 3/5 還是 3/7 阿= = 我覺得都可以說...
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◆ From: 118.161.67.10
推
05/29 11:11, , 1F
05/29 11:11, 1F
→
05/29 11:12, , 2F
05/29 11:12, 2F
→
05/29 11:12, , 3F
05/29 11:12, 3F
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05/29 11:15, , 4F
05/29 11:15, 4F
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05/29 11:16, , 5F
05/29 11:16, 5F
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05/29 11:16, , 6F
05/29 11:16, 6F
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05/29 11:17, , 7F
05/29 11:17, 7F
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05/29 11:17, , 8F
05/29 11:17, 8F
※ 編輯: kyoooooo123 來自: 118.161.67.10 (05/29 11:38)
推
05/29 12:59, , 9F
05/29 12:59, 9F
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05/29 12:59, , 10F
05/29 12:59, 10F
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05/29 13:00, , 11F
05/29 13:00, 11F
推
05/29 20:47, , 12F
05/29 20:47, 12F
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05/30 11:42, , 13F
05/30 11:42, 13F
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