# Question

Making use of the methods of Section 8.7, it can be shown that for a random sample of size n = 2 from the population of Exercise 11.2, the distribution of the sample range is given by

Use this result to find c so that R < θ < cR is a (1 – α) 100% confidence interval for θ.

Use this result to find c so that R < θ < cR is a (1 – α) 100% confidence interval for θ.

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