為什麽不是獨立的？問題假設這20個學校錄取概率都是10%，那麽至少錄一個的概率就應該是88%嘛。

來源: 小城大叔於 2026-03-31 08:36:37 [舊帖] [給我悄悄話] 本文已被閱讀：次

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