Three balls are drawn at random with out replacement from a box containing 2 white, 3 red, 4 black balls
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Three balls are drawn at random with out replacement from a box containing 2 white, 3 red, 4 black balls. If x denotes the number of white balls drawn and y denotes the number of red balls drawn, find the joint probability distribution of (x,y).Also verify x and y are independent or not.