The random variables X and Y have the following joint density function 3 f x y xy 3 x 0 x 2 0 y 1 and equal to 0 otherwise a Are X and Y independent b Find E X c Find E Y d Find Var X e Find Var Y a Select the correct choice and fill in the answer box to complete your choice O A X and Y are independent because f x y is not equal to fx x fy y O B X and Y are not independent because f x y is equal to fx x fy y OC X and Y are independent because f x y is equal to fx x fy y denendent honoun fleul in not oualtof huulf ful