我做到一个题组 初看很容易 後来却找不到选项选答案 看来我是误解题目的意思了 但我却想不出其他的解读方法 所以上来请教各位 请大家帮我这个忙 谢谢 题目如下: In a recent survey about capital gains tax, 60% of the respondents said that they support capital gains tax. Female comprised 40% in the sample, and of the females, 40% supported capital gains tax. 1. What is the probability that a randomly selected person is a female and capital gains taxsupporter? A) 0.10 B) 0.16 C) 0.57 D) 0.83 2. Suppose we select a female respondent, what is the probability that she is not a capital gains tax supporter? A) 0.2 B) 0.3 C) 0.6 D) 0.8 [其实我刚刚打题目时好像突然恍然大悟了一会儿 然後算出第一题: 0.4*0.4=0.16 第二题: 0.24/0.4=0.6 但不知道跟各位的答案是否相同 所以还是要麻烦大家帮我解惑 谢谢] --

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