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1. For Binomial distribution prove that, the mean is = and the variance is = (). 2. For Poisson distribution prove that, the mean is
1. For Binomial distribution prove that, the mean is = and the variance is = ().
2. For Poisson distribution prove that, the mean is = and the variance is = .
3. For Geometric distribution prove that, ()= and the mean is =/.
4. For normal distribution, prove that, the mean is and the variance is .
5. For Exponential distribution prove that, () = .
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