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Consider the following. (Enter your answers to four decimal places.)

(a) Find the level of confidence assigned to an interval estimate of the mean formed using the interval x - 1.04 · ?x to x + 1.04 · ?x.

(b) Find the level of confidence assigned to an interval estimate of the mean formed using the interval x - 1.59 · ?x to x + 1.59 · ?x.

(c) Find the level of confidence assigned to an interval estimate of the mean formed using the interval x - 1.84 · ?x to x + 1.84 · ?x.

(d) Find the level of confidence assigned to an interval estimate of the mean formed using the interval x - 2.07 · ?x to x + 2.07 · ?x.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9990425

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