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Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 發問中
Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 發問中
機率與統計 數學問題!拜託各位大大QQ
Jun 28th 2013, 05:30

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1.25台類似的微電腦運到銷售中心時有5台是有瑕疵的。如果學校任意選購這些電腦中的3台,求出瑕疵數的機率分佈。 2.假設在控制實驗室中,實驗的反應溫度誤差是連續隨機變數X,且其機率密度函數為 f(x)=3x2/28 for -1...

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