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Mathematics, 26.03.2021 21:00 gerardogonzale362

Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value ta/2. (b) find the critical value Za/2, or (c) state that neither the normal distribution nor the t distribution applies.
Here are summary statistics for randomly selected weights of newborn girls: n = 289, x = 28.1 hg, s =7.8 hg. The confidence
level is 95%

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