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a) The joint probability density function of the random variables X, Y is given as f(x,y)...

a) The joint probability density function of the random variables X, Y is given as

f(x,y) = 8xy   

if  0≤y≤x≤1 , and 0 elsewhere.

Find the marginal probability density functions.

b) Find the expected values EX and EY for the density function above

c) find Cov  X,Y .

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