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# A fair coin is tossed three times consecutively. Let the random variable X represent the number of heads on the first toss and y the total number of...

A fair coin is tossed three times consecutively. Let the random variable X represent the number of heads on the first toss and y the total number of heads from the three tosses. Draw the tree view with X as the first level and Y/X as the second level and find the conditional probability p(Y=2/X=1)