一道随机变量题已知甲盒内有大小相同的1个红球和3个黑球,乙盒内有大小相同的2个红球和4个黑球,现从甲、乙两个盒内各任取两个球.(1)求取出的4个球均为黑球的概率(2)求取出的4个球
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/19 22:16:42
![一道随机变量题已知甲盒内有大小相同的1个红球和3个黑球,乙盒内有大小相同的2个红球和4个黑球,现从甲、乙两个盒内各任取两个球.(1)求取出的4个球均为黑球的概率(2)求取出的4个球](/uploads/image/z/14813686-46-6.jpg?t=%E4%B8%80%E9%81%93%E9%9A%8F%E6%9C%BA%E5%8F%98%E9%87%8F%E9%A2%98%E5%B7%B2%E7%9F%A5%E7%94%B2%E7%9B%92%E5%86%85%E6%9C%89%E5%A4%A7%E5%B0%8F%E7%9B%B8%E5%90%8C%E7%9A%841%E4%B8%AA%E7%BA%A2%E7%90%83%E5%92%8C3%E4%B8%AA%E9%BB%91%E7%90%83%2C%E4%B9%99%E7%9B%92%E5%86%85%E6%9C%89%E5%A4%A7%E5%B0%8F%E7%9B%B8%E5%90%8C%E7%9A%842%E4%B8%AA%E7%BA%A2%E7%90%83%E5%92%8C4%E4%B8%AA%E9%BB%91%E7%90%83%2C%E7%8E%B0%E4%BB%8E%E7%94%B2%E3%80%81%E4%B9%99%E4%B8%A4%E4%B8%AA%E7%9B%92%E5%86%85%E5%90%84%E4%BB%BB%E5%8F%96%E4%B8%A4%E4%B8%AA%E7%90%83.%EF%BC%881%EF%BC%89%E6%B1%82%E5%8F%96%E5%87%BA%E7%9A%844%E4%B8%AA%E7%90%83%E5%9D%87%E4%B8%BA%E9%BB%91%E7%90%83%E7%9A%84%E6%A6%82%E7%8E%87%EF%BC%882%EF%BC%89%E6%B1%82%E5%8F%96%E5%87%BA%E7%9A%844%E4%B8%AA%E7%90%83)
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