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Please explain and give some details. Thank you! There are two random variables X and Y. E(X) They have the below joint probabilities: Y 0

Please explain and give some details. Thank you!

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There are two random variables X and Y. E(X) They have the below joint probabilities: Y 0 4 12 12 | 0.2 0.2 0.0 0.4 X - 2 | 0.1 0.1 0.4 1 0.6 0.3 0.3 0.4 What is V(X)? You must explain how you get the answer in detail

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