Statistics Homework Solutions
Problem
#2465

Jjoint probability distribution

suppose that x and y have the following joint probability distribution
                     X
             2               4
     _______________________________________________
     1      0.10             0.15  

Y    3      0.2              0.3

     5      .1               .15
Find the marginal distribution of x and y
Find the conditional distribution of y given x=2

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