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HW Score: 54.7%, 54.7 of 100 points (a) 0 Points: 0 of 6 Homework: We... Question 8. 7.2.8-T Assume that we want to construct a condence interval. Do one of the following. as appropriate: (3) nd the critical value 'a ,2. (b) nd the critical value 26,2. 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 = 256. i = 31.7 hg. s = 6.8 hg. The condence level is 90%. Select the correct choice below and. if necessary, ll In the answer box to complete your choice. 0\"\" tux/2:13 (Round to two decimal places as needed.) 0 3' za12=l:] (Round to two decimal places as needed.) - O C. Neither the normal distribution nor the t distribution applies