将一颗骰子掷两次,求两次掷出的最小点数的期望怎么都是分数?算了概率?我理解是两次中选小的那次的点数。比如掷出2,选2。to:saintsage,这下看懂了。可以试试这题么?发了2次没人回答
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/07 11:44:42
![将一颗骰子掷两次,求两次掷出的最小点数的期望怎么都是分数?算了概率?我理解是两次中选小的那次的点数。比如掷出2,选2。to:saintsage,这下看懂了。可以试试这题么?发了2次没人回答](/uploads/image/z/7653821-5-1.jpg?t=%E5%B0%86%E4%B8%80%E9%A2%97%E9%AA%B0%E5%AD%90%E6%8E%B7%E4%B8%A4%E6%AC%A1%2C%E6%B1%82%E4%B8%A4%E6%AC%A1%E6%8E%B7%E5%87%BA%E7%9A%84%E6%9C%80%E5%B0%8F%E7%82%B9%E6%95%B0%E7%9A%84%E6%9C%9F%E6%9C%9B%E6%80%8E%E4%B9%88%E9%83%BD%E6%98%AF%E5%88%86%E6%95%B0%EF%BC%9F%E7%AE%97%E4%BA%86%E6%A6%82%E7%8E%87%EF%BC%9F%E6%88%91%E7%90%86%E8%A7%A3%E6%98%AF%E4%B8%A4%E6%AC%A1%E4%B8%AD%E9%80%89%E5%B0%8F%E7%9A%84%E9%82%A3%E6%AC%A1%E7%9A%84%E7%82%B9%E6%95%B0%E3%80%82%E6%AF%94%E5%A6%82%E6%8E%B7%E5%87%BA2%EF%BC%8C%E9%80%892%E3%80%82to%3Asaintsage%2C%E8%BF%99%E4%B8%8B%E7%9C%8B%E6%87%82%E4%BA%86%E3%80%82%E5%8F%AF%E4%BB%A5%E8%AF%95%E8%AF%95%E8%BF%99%E9%A2%98%E4%B9%88%EF%BC%9F%E5%8F%91%E4%BA%862%E6%AC%A1%E6%B2%A1%E4%BA%BA%E5%9B%9E%E7%AD%94)
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