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题目内容
At a medical clinic, there are exactly 20 medical personnel-8 doctors and 12 nurses. Of these medical personnel, 9 are men, and 3 of the 9 men are nurses. If a doctor is chosen at random, what is the probability that the doctor chosen will be a woman?
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6.1.3 双重叠应用题
6.1.3 双重叠应用题
以上解析由 考满分老师提供。