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  3. 6 examlike question assume the random variable x has distribution...

Question: 6 examlike question assume the random variable x has distribution...

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6. Exam-like question Assume the random variable X has distribution X Bin(9,0.5) and let Y = (-1)x, 1. Derive the probability mass function of Y. 2. Derive the mean of Y. 3. Derive the variance of Y.
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