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1 0 -9.09 points JKEStat11 &E 016 Find the level of confidence assigned to an interval estimate of the mean formed using the following intervals. (Round your answers to four decimal places.) (a) x-1.07-oi to x + 1.07-o (b) x-1.68.叮to x + 1.68 (c) x-2.18-oǐ tox + 2.18 (d) x-2.62 to x + 2.62. You may need to use the appropriate table in Appendix B to answer this question. Need Help? Eman
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