Question: The sample means corresponding to populations 1 and 2 in Exercise 11.1 are 1 = 3.07 and 2 = 2.52. a. Find a 95% confidence

The sample means corresponding to populations 1 and 2 in Exercise 11.1 are 1 = 3.07 and 2 = 2.52.
a. Find a 95% confidence interval for μ1.
b. Find a 95% confidence interval for the difference (μ1 - μ2).

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