Displayed below are the survival times in months since diagnosis for 12 AIDS patients suffering from concomitant esophageal candidiasis, an infection due to candida yeast, and cytomegalovirus, a herpes infection that can cause serious illness. 0.5+ 1 1 1 2 5+ 8+ 9 10+ 12+ 13 15 Calculate a 95% confidence interval for the survival function at 9 months using the complementary log-log method. Assume :97 (9 = 0. 509]. and @{1n[1n((9))] } = 0. 4729. C)(01816,07655) <: c>