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Each person who attended a seminar on politics was either a Democrat, a Republican, or an independent. If a person had been selected randomly from those attending the seminar, the probability would have been 0.52 of selecting a Republican and 0.35 of selecting a Democrat. What was the ratio of the number of independents to the number of Republicans at the seminar?
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· 相关考点
6.4.2 互斥事件与对立事件
6.4.2 互斥事件与对立事件
以上解析由 考满分老师提供。
