困扰了我很长时间的概率问题5个人抽奖,甲先抽,乙后抽,问两人抽到奖的概率相同吗?相同.因为甲抽到奖的概率P(甲)=1/5;乙抽到奖的概率P(乙)=(4/5)*(1/4)=1/5.好了,我就是不明白乙抽
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/17 02:50:39
![困扰了我很长时间的概率问题5个人抽奖,甲先抽,乙后抽,问两人抽到奖的概率相同吗?相同.因为甲抽到奖的概率P(甲)=1/5;乙抽到奖的概率P(乙)=(4/5)*(1/4)=1/5.好了,我就是不明白乙抽](/uploads/image/z/8642809-1-9.jpg?t=%E5%9B%B0%E6%89%B0%E4%BA%86%E6%88%91%E5%BE%88%E9%95%BF%E6%97%B6%E9%97%B4%E7%9A%84%E6%A6%82%E7%8E%87%E9%97%AE%E9%A2%985%E4%B8%AA%E4%BA%BA%E6%8A%BD%E5%A5%96%2C%E7%94%B2%E5%85%88%E6%8A%BD%2C%E4%B9%99%E5%90%8E%E6%8A%BD%2C%E9%97%AE%E4%B8%A4%E4%BA%BA%E6%8A%BD%E5%88%B0%E5%A5%96%E7%9A%84%E6%A6%82%E7%8E%87%E7%9B%B8%E5%90%8C%E5%90%97%3F%E7%9B%B8%E5%90%8C.%E5%9B%A0%E4%B8%BA%E7%94%B2%E6%8A%BD%E5%88%B0%E5%A5%96%E7%9A%84%E6%A6%82%E7%8E%87P%EF%BC%88%E7%94%B2%EF%BC%89%3D1%2F5%EF%BC%9B%E4%B9%99%E6%8A%BD%E5%88%B0%E5%A5%96%E7%9A%84%E6%A6%82%E7%8E%87P%EF%BC%88%E4%B9%99%EF%BC%89%3D%EF%BC%884%2F5%EF%BC%89%2A%EF%BC%881%2F4%EF%BC%89%3D1%2F5.%E5%A5%BD%E4%BA%86%2C%E6%88%91%E5%B0%B1%E6%98%AF%E4%B8%8D%E6%98%8E%E7%99%BD%E4%B9%99%E6%8A%BD)
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