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  1. ...1 - p)/p². Actually, Y = X - 1. In the literature , both X and Y are also referred to as being distributed as a geometric random variable...

    分類:科學及數學 > 數學 2015年05月02日

  2. ...collection of books,of which 4% are literature books and 15% are story books.The difference between... 126 books of science fiction, what percentage of his book collection is ...

    分類:科學及數學 > 數學 2013年12月08日

  3. ...sigma; ), (note that in most textbooks and literature the notation is with the variance, i.e., X ~ Normal... < -0.5 ) = 0.3085375 there is still a nearly 31% probability of under filling...

    分類:科學及數學 > 數學 2009年02月15日

  4. 1 Let the Four Volumes be I,II,III,IV Then for the case I,x,y...that will be obtained=100*3.5=35 3 The possible choices are 3,5,7 and 5,7,9 So probability =2/5C3 =2/10 =1/5 4 The...

    分類:科學及數學 > 數學 2009年01月05日