Bivariate density function-computation of moments

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Reference no: EM13101430

Random variables x and y have the joint density function

fxy(x,y)={ (a(2x+y)^2)/20 -1 < x < 1 -3 < y < 3}
{ 0 elsewhere }

a) Find the value of the constant a

b) Find all the second order moments of X and Y

c) What are variances of X and Y

d) What is the correlation coefficient

Reference no: EM13101430

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