Question: For a Gamma distribution with rate parameter 1-1 and shape parameter of = 3 f(x) = X>0 r(a) 1. Use R to find the theoretical

For a Gamma distribution with rate parameter 1-1 and shape parameter of = 3 f(x) = X>0 r(a) 1. Use R to find the theoretical mean and variance of the random variable. 2. The distribution of the sum of m=9 independent variables of this distribution and find its mean and variance. 3. Show that the sample mean is unbiased estimator of the population mean

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