一个袋中装有形状大小完全相同,编号分别为1,2,3,4,5,6的六个球,现从口袋中任取两个球,则至少取到一个编号为质数的球的概率是( )。A.14/1...

作者: tihaiku 人气: - 评论: 0
问题 一个袋中装有形状大小完全相同,编号分别为1,2,3,4,5,6的六个球,现从口袋中任取两个球,则至少取到一个编号为质数的球的概率是( )。
选项 A.14/15 B.4/5 C.3/5 D.1/2
答案 B
解析

相关内容:形状,大小,编号,两个,质数,概率

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