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A coin is tossed twice let z denote the number of heads on

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A coin is tossed twice. Let Z denote the number of heads on the first 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, find

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.

Reference no: EM13577098

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