# PMF

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• March 16th 2010, 03:44 PM
jpquinn91
PMF
In a pmf P(X,Y) given in a table of values of x and y between 0 and 4 what does F(3,2) mean? Thanks
• March 16th 2010, 03:54 PM
Moo
Hello,

Most probably, it would mean $F(3,2)=P(X\leq 3,Y\leq 2)=\sum_{x=0}^3\sum_{y=0}^2 P(x,y)$ (joint cdf)