1.一个袋子内装有若干个黑球,3个白球,2个红球(所有的球除颜色外其它均相同),从中任取2个球,每取得一个黑球得0分,每取一个白球得1分,每取一个红球得2分,已知得0分的概率为 ,用随机变量x
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/31 07:43:59
![1.一个袋子内装有若干个黑球,3个白球,2个红球(所有的球除颜色外其它均相同),从中任取2个球,每取得一个黑球得0分,每取一个白球得1分,每取一个红球得2分,已知得0分的概率为 ,用随机变量x](/uploads/image/z/7658277-69-7.jpg?t=1.%E4%B8%80%E4%B8%AA%E8%A2%8B%E5%AD%90%E5%86%85%E8%A3%85%E6%9C%89%E8%8B%A5%E5%B9%B2%E4%B8%AA%E9%BB%91%E7%90%83%2C3%E4%B8%AA%E7%99%BD%E7%90%83%2C2%E4%B8%AA%E7%BA%A2%E7%90%83%EF%BC%88%E6%89%80%E6%9C%89%E7%9A%84%E7%90%83%E9%99%A4%E9%A2%9C%E8%89%B2%E5%A4%96%E5%85%B6%E5%AE%83%E5%9D%87%E7%9B%B8%E5%90%8C%EF%BC%89%2C%E4%BB%8E%E4%B8%AD%E4%BB%BB%E5%8F%962%E4%B8%AA%E7%90%83%2C%E6%AF%8F%E5%8F%96%E5%BE%97%E4%B8%80%E4%B8%AA%E9%BB%91%E7%90%83%E5%BE%970%E5%88%86%2C%E6%AF%8F%E5%8F%96%E4%B8%80%E4%B8%AA%E7%99%BD%E7%90%83%E5%BE%971%E5%88%86%2C%E6%AF%8F%E5%8F%96%E4%B8%80%E4%B8%AA%E7%BA%A2%E7%90%83%E5%BE%972%E5%88%86%2C%E5%B7%B2%E7%9F%A5%E5%BE%970%E5%88%86%E7%9A%84%E6%A6%82%E7%8E%87%E4%B8%BA+%2C%E7%94%A8%E9%9A%8F%E6%9C%BA%E5%8F%98%E9%87%8Fx)
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