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  1. ...distribution with λ = 60 x 0.25 = 15. So the probability that 10 successful interviews are made in 60 calls is: 15^10 x e^(-15)/(10...

    分類:科學及數學 > 數學 2010年11月14日

  2. 1) When the 2nd card is drawn, there are 48 cards which are not of the same suit as the drawn card, thus prob. = 48/51 = 16/17 When the 3rd card is drawn, there are 44 cards which are not of the same suit as the...

    分類:科學及數學 > 數學 2011年04月18日

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