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  1. ... = (50/1.96)² σ² = 650.7705123 is the required variance .

    分類:科學及數學 > 數學 2015年03月29日

  2. http://i1090.photobucket.com/albums/i376/Nelson_Yu/int-2150.png 圖片參考:http://i1090.photobucket.com/albums/i376/Nelson_Yu/int-2150.png

    分類:科學及數學 > 數學 2012年11月20日

  3. ...與母親生疏,媳婦與婆婆生疏。For I am come to set a man at variance against his father, and the daughter against her mother, and the daughter in...

  4. ...quote the sayings of Mao while pursuing policies widely at variance with his legacy. 你選用詞語跟英文意思不符,我會譯作: 中國政客(政治...

    分類:社會及文化 > 語言 2013年08月09日

  5. ...'s economical growth pattern (Growth Model) also is at variance with the world other countries. Following, we can review the history...

  6. ... ... if ever a proposition was brought forward which is at variance with it, that is to say, which will prevent [X] from obtaining a...

  7. ...2 q = 1 - 0.2 = 0.8 Expected value, E(x) = np = 14 × 0.2 = 2.8 Variance , var(x) = npq = 14 × 0.2 × 0.8 = 2.24 (b) Pr(destroy the target) = Pr( at least 4 hits) = 1 - Pr( at most 3 hits) = 1 - Pr(0 hit...

    分類:科學及數學 > 數學 2014年12月09日

  8. ...18 for x = 0 Mean = E(X) = 7/18 x 1 + 11/18 x 0 = 7/18 Variance = E(X^2) - [E(X)]^2 = 7/18 x 1^2 + 11/18 x 0^2...

    分類:科學及數學 > 數學 2010年11月09日

  9. ...分佈,記為 X~B(300,0.01)。 平均值 (mean) = np = 300*0.01 = 3 差異值 ( variance ) = npq = 300*0.01*0.99 = 2.97 因為平均值和差異值十分接近,所以我們可以以泊松...

    分類:科學及數學 > 數學 2006年10月30日

  10. ...2) and E(x2) = 2 + t^(2/3),respectively. Assume that their variances and covariance at time t are V ar(x1) = t^2 + 2, V ar(x2) = 2t+ t^(1/2) + 1 and...

    分類:科學及數學 > 數學 2008年06月03日