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The table below shows the distribution of a group of 40 college students by gend
The table below shows the distribution of a group of 40 college students by gend
游客
2024-01-12
74
管理
问题
The table below shows the distribution of a group of 40 college students by gender and class.
If one student is randomly selected from this group, find the probability that the student chosen is
(a)not a junior
(b)a female or a sophomore
(c)a male sophomore or a female senior
选项
答案
(a)21/40(b)7/10(c)9/40
解析
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