Question 5 (Mandatory) (2 points) Arterial blood gas analyses performed on a sample of 15 physically active adult males vielded the fellowing Pao- values; 75 30 174 72 76 75 87 Find the 95%% confidence interval for the mean of the population. (assume normal populaion (77.18, 32.55) ) (77.54. 82.19 (77.04, 82.69) (76.93. 82.80) (77.45, 82.20) Question & [Mandatory) (3 points) A sample of 9 patients admitted to a hospital for treatment of hepatitis vielded the serum bilirubin levels as follows 20.5 14.8 21.3 127 152 26.6 234 22.9 15.7 Construct a 95 percent confidence interval for the population mean, (assume normal population) (15.57, 22.90) (16.01, 22.45) (16.12, 22.35 (16.28, 22.19 (15.82, 22.65)