In a certain group of people,3/8 of the people are men,and 2
In a certain group of people,3/8 of the people are men,and 2/3 of the men have brown eyes.If 3/4 of the people have brown eyes,then what fraction of the group are women whodo not have brown eyes?这不是条件概率的题呀,为什么我就是算不出正确的那个答案