一个袋子里有10个小球,其中4个白球,6个黑球,无放回地每次抽取1个,则第二次取到白球的概率是多少?( )

作者: tihaiku 人气: - 评论: 0
问题 一个袋子里有10个小球,其中4个白球,6个黑球,无放回地每次抽取1个,则第二次取到白球的概率是多少?( )
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答案 D
解析

相关内容:袋子,小球,白球,抽取,第二次,概率

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