3. For each of the following sequences of random variables, state the distribution, or approximate distribution, of the sample mean. Be sure to justify your claim and state the conditions under which...

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Extracted text: 3. For each of the following sequences of random variables, state the distribution, or approximate distribution, of the sample mean. Be sure to justify your claim and state the conditions under which each sampling distribution holds. (a) X, Unif(a, b) for i = 1,...,n. (b) W, " Geom(0) for i= 1,...n. (c) Y, N(4, 02) for i = 1,...,n.