EishaM26894 EishaM26894

28-10-2022
Mathematics

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Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value a/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=274, x= 28.9 hg, s= 6.7 hg. The confidence level is 95%.Select the correct choice below and, if necessary, fill in the answer box to complete your choice.OA. ta/2=OB.(Round to two decimal places as needed.)Za/2=(Round to two decimal places as needed.)OC. Neither the normal distribution nor the t distribution applies.

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