BIOLOGYDetermine the values of c so that the following functions represent joint probability distributions of the random variables X and Y: (a) f(x,y)=cxy, for x=1, 2, 3; y=1, 2, 3; (b) f(x,y)=c|x-y|, for x=-2, 0, 2; y=-2,3. 13th EditionDavid N. Shier, Jackie L. Butler, Ricki Lewis1,402 solutions

15th EditionJohn David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine249 solutions

1st EditionKenneth R. Miller, Levine2,591 solutions

14th EditionDavid Bailey, Eldon D. Enger, Frederick C. Ross933 solutions