204.(與153,174同)
24人對產品的4個特性(features)進行評價。
評價分別有excellent, good, so so(具體用詞不記得了) not decided,
問說excellent or Good on the same two features, 是否至少有12人
1)exactly 10 people say excellent on 2 features
2)exactly 12 people say good on 3 features
請問一下這題的思路是???
題目作者選E
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