关于概率和期望的,某公司员工考核指标有A,B,C三项,某员工A指标考核优秀的概率为4/5,B,C指标考核优秀的概率分别为a,b(a>b),且该员工三项指标考核都优秀的概率为24/125,三项指标考核都
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![关于概率和期望的,某公司员工考核指标有A,B,C三项,某员工A指标考核优秀的概率为4/5,B,C指标考核优秀的概率分别为a,b(a>b),且该员工三项指标考核都优秀的概率为24/125,三项指标考核都](/uploads/image/z/11689554-66-4.jpg?t=%E5%85%B3%E4%BA%8E%E6%A6%82%E7%8E%87%E5%92%8C%E6%9C%9F%E6%9C%9B%E7%9A%84%2C%E6%9F%90%E5%85%AC%E5%8F%B8%E5%91%98%E5%B7%A5%E8%80%83%E6%A0%B8%E6%8C%87%E6%A0%87%E6%9C%89A%2CB%2CC%E4%B8%89%E9%A1%B9%EF%BC%8C%E6%9F%90%E5%91%98%E5%B7%A5A%E6%8C%87%E6%A0%87%E8%80%83%E6%A0%B8%E4%BC%98%E7%A7%80%E7%9A%84%E6%A6%82%E7%8E%87%E4%B8%BA4%2F5%EF%BC%8CB%2CC%E6%8C%87%E6%A0%87%E8%80%83%E6%A0%B8%E4%BC%98%E7%A7%80%E7%9A%84%E6%A6%82%E7%8E%87%E5%88%86%E5%88%AB%E4%B8%BAa%2Cb%EF%BC%88a%EF%BC%9Eb%EF%BC%89%2C%E4%B8%94%E8%AF%A5%E5%91%98%E5%B7%A5%E4%B8%89%E9%A1%B9%E6%8C%87%E6%A0%87%E8%80%83%E6%A0%B8%E9%83%BD%E4%BC%98%E7%A7%80%E7%9A%84%E6%A6%82%E7%8E%87%E4%B8%BA24%2F125%EF%BC%8C%E4%B8%89%E9%A1%B9%E6%8C%87%E6%A0%87%E8%80%83%E6%A0%B8%E9%83%BD)
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