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Unformatted text preview: shots? (4) What is the probability that he must attempt x throws to make a total r shots? Negative binomial distribution Ping Ma Lecture 11 Fall 2005  3 Binomial distribution f( x )= x n x p p x n ) 1 ( When n is very large and p is very small, we have difficulty to calculate the pmf of binomial distribution. If λ = np , we can approximate the binomial distribution ! 1 )! ( ! ! lim ) 1 ( lim x e n n x n x n p p x n x x n x n x n x n∞ →∞ → =  = Poisson distribution ! ) ( x e x f x= , x=0,1,2,…. E[X] = Var[X]= Ping Ma Lecture 11 Fall 2005  4 ...
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This note was uploaded on 07/24/2008 for the course STAT 400 taught by Professor Tba during the Fall '05 term at University of Illinois at Urbana–Champaign.
 Fall '05
 TBA
 Statistics

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