A box contains two coins: a regular coin and a biased coin with P(H) = 2/3. I

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A box contains two coins: a regular coin and a biased coin with P(H) = 2/3. I choose a coin at random and toss it once. I define the random variable X as a Bernoulli random variable associated with this coin toss, i.e., X = 1 if the result of the coin toss is heads and X = 0 otherwise. Then I take the remaining coin in the box and toss it once. I define the random variable Y as a Bernoulli random variable associated with the second coin toss. Find the joint PMF of X and Y. Are X and Y independent?

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