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In a group of 10 people, exactly 4 are vegetarians. A committee of 3 will be formed by randomly selecting 3 people from the group. How many of the possible 3-member committees would include exactly 2 vegetarian members?
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· 相关考点
6.3.5 组合
6.3.5 组合
以上解析由 考满分老师提供。
