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statistics X1 and X2 are random samples from N(M, o?). (1) Find the distribution of V = X1 - X2. (2) Using (1) determine the

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X1 and X2 are random samples from N(M, o?). (1) Find the distribution of V = X1 - X2. (2) Using (1) determine the constant c so that cV2 follows chi-square distribution and using this, find the 100 x (1-0) confidence interval of o

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