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Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the crtical value to. (b) find the

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Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the crtical value to. (b) find the critical value 7e/z. Or(e) state that neither the normal distribution nor the distribution applies Here are summary statistics for randomly selected weights of newbom girls n=1983. * - 20.7 hg, s-6.3 hg. The confidence level is 90% Select the correct choice below and, if necessary, fill in the answer box to complete your choice. OA 5/2 (Round to two decimal places as needed.) OB. 22 (Round to two decimal places as needed) OC. Neither the normal distribution nor the distribution applies

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