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December 14th, 2009, 11:21 PM  #1 
Member Joined: Nov 2009 Posts: 38 Thanks: 0  Probability (probability mass function,pmf)
If X has the probability mass function f(x) = k / x! (x=0,1,2,...), what is the value of k? 
December 15th, 2009, 01:18 PM  #2  
Global Moderator Joined: May 2007 Posts: 6,759 Thanks: 696  Re: Probability (probability mass function,pmf) Quote:
 

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