Question 22 0.5 points Save Answer For her study (n = 50), a researcher determines that M = 42 and 37.5 + 3.5 (u + 6). Compute the one-independent sample z test. What are the upper and lower confidence limits? O a. [42.83, 41.17] O b. [42.57, 41.43] O c. [42.96, 41.04] O d. [42.61, 41.39]