document.write( "Question 1178256: A coin is tossed three times. Let Z denote the number of heads on the first toss and W the total number of heads on the 3 tosses. If the coin is unbalanced and a head has a 40% chance of occurring, find the joint probability distribution of W and Z.
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Algebra.Com's Answer #807467 by ikleyn(52793)\"\" \"About 
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