Mathematics, 06.05.2020 02:30, vernelljordon

Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value t Subscript alpha divided by 2tα/2, (b) find the critical value z Subscript alpha divided by 2zα/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: nequals=184184, x overbarxequals=29.229.2 hg, sequals=7.47.4 hg. The confidence level is 9595%.

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