13E Worked STA 2023 Statistics (3) nt Scor Homework: Week 3 Homework (7.1-7.3) pts: omew Score: 0 of 6 pts ubmis 7.2.8-T Assigned Media he me pter 7 pter 1 oter Ooter oter pter 7 ter 8 of 15 (0 complete) Elizabeth Lineback | 03/16/21 10:09 PM Save HW Score: 11%, 11 of 100 pts Question Help Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value 1/2, (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=290, x=33.3 hg. s = 7.1 hg. The confidence level is 90%. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. La/2= (Round to two decimal places as needed.) OB. Za/2 (Round to two decimal places as needed.) OC. Neither the normal distribution nor the t distribution applies. ter ter ter 7 holg 5) 5)