Solved: A coin is tossed twice. Let Z denote the number of
Chapter 4, Problem 3.52(choose chapter or problem)
A coin is tossed twice. Let Z denote the number of heads on the rst toss and W the total number of heads on the 2 tosses. If the coin is unbalanced and a head has a 40% chance of occurring, nd (a) the joint probability distribution of W and Z; (b) the marginal distribution of W; (c) the marginal distribution of Z; (d) the probability that at least 1 head occurs.
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