数学分布列,甲乙两个盒中有大小相同的小球,甲盒有2个黑球和2个红球,乙盒有2个黑球和3个红球,从甲乙两盒中任意各取一小球交换,1.交换后甲盒恰好有2个黑球的概率2.设交换后甲盒黑球的个
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/07 15:40:19
![数学分布列,甲乙两个盒中有大小相同的小球,甲盒有2个黑球和2个红球,乙盒有2个黑球和3个红球,从甲乙两盒中任意各取一小球交换,1.交换后甲盒恰好有2个黑球的概率2.设交换后甲盒黑球的个](/uploads/image/z/13915200-48-0.jpg?t=%E6%95%B0%E5%AD%A6%E5%88%86%E5%B8%83%E5%88%97%2C%E7%94%B2%E4%B9%99%E4%B8%A4%E4%B8%AA%E7%9B%92%E4%B8%AD%E6%9C%89%E5%A4%A7%E5%B0%8F%E7%9B%B8%E5%90%8C%E7%9A%84%E5%B0%8F%E7%90%83%2C%E7%94%B2%E7%9B%92%E6%9C%892%E4%B8%AA%E9%BB%91%E7%90%83%E5%92%8C2%E4%B8%AA%E7%BA%A2%E7%90%83%2C%E4%B9%99%E7%9B%92%E6%9C%892%E4%B8%AA%E9%BB%91%E7%90%83%E5%92%8C3%E4%B8%AA%E7%BA%A2%E7%90%83%2C%E4%BB%8E%E7%94%B2%E4%B9%99%E4%B8%A4%E7%9B%92%E4%B8%AD%E4%BB%BB%E6%84%8F%E5%90%84%E5%8F%96%E4%B8%80%E5%B0%8F%E7%90%83%E4%BA%A4%E6%8D%A2%2C1.%E4%BA%A4%E6%8D%A2%E5%90%8E%E7%94%B2%E7%9B%92%E6%81%B0%E5%A5%BD%E6%9C%892%E4%B8%AA%E9%BB%91%E7%90%83%E7%9A%84%E6%A6%82%E7%8E%872.%E8%AE%BE%E4%BA%A4%E6%8D%A2%E5%90%8E%E7%94%B2%E7%9B%92%E9%BB%91%E7%90%83%E7%9A%84%E4%B8%AA)
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