] The joint probability mass function of two discrete random variables A and B is PAB(a, b) = {ca²b, a = -2,2 and b = 1,2 0, otherwise learly stating vour reasonc answer the following two G Are A and B are uncorrelated

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Q: 7.14

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Q: Please see attached.

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Q: Part C, how to do this on a calculator?

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