Find the level of confidence assigned to an interval estimate ofthe mean formed using the following intervals. (Round your answersto four decimal places.)
(a) x β 1.67Β·π x to x + 1.67Β·π x(b) x β 2.13Β·π x to x + 2.13Β·π x(c) x β 2.65Β·π x to x + 2.65Β·π x
Find the level of confidence assigned to an interval estimate of the mean formed using the following intervals. (Round y
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