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203. 78% student was graduated from the school in 1980. 89% students graduated from the school in 1980. 問滿足兩個條件的學生比例。(為nonpanicfan版本的第13題) 這種題目的經典解釋是:肉包子中a%是有摺的,有摺包子中b%是肉包子, 實際上隱含的關係就是肉包子有摺的=有摺的肉包子,都是同一批包子 (1980年畢業生的數目是一樣的)..忘記是哪位NN在哪個月提出來的..拜服一下 變體題目(或者說本身就是原題): The sentence "students was graduated from high school" is accepted by 89% of the students, and the sentence ''students graduated from high school '' is accepted by 78% of the students. 問兩個同時被accept的概率。70% 這題該怎麼解?... -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 130.126.76.208
dandanny:這題很之前有討論過了 可以找一下 10/30 12:57
dandanny:範圍是66%-78% 就看你的選項哪個是符合就選 10/30 12:57
minirainbow:謝謝 有我發現我疏忽掉了前面有了 謝謝 10/30 13:08