Question: 3. Let X ,..., X, and Y ,.... Y be independent random samples from, respectively, a normal N(p, 02)-distribution and a normal N(v, o2)-distribution. Determine

3. Let X ,..., X, and Y ,.... Y be independent

3. Let X ,..., X, and Y ,.... Y be independent random samples from, respectively, a normal N(p, 02)-distribution and a normal N(v, o2)-distribution. Determine a confidence interval for u - v of confidence level 1 - or (i) if o2 is known, (ii) if o2 is unknown

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