2 (20 points) Let X be a discrete random variable with pmf m 0 1 2 p(:1:) 0.3 0.4 0.3 1 2.1 10 points Suppose
2 (20 points) Let X be a discrete random variable with pmf m 0 1 2 p(:1:) 0.3 0.4 0.3 1 2.1 10 points Suppose you randomly sample n = 2 observations. What is the sampling distribution for sample mean? 2.2 10 points What is the sampling distribution for sample variance
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