6 Safari Account Dashboard Courses Calendar History (ES/l Help File Edit View History Winter Minimester 2022 Home Announcements SyHabus Course Materials Modules MyLab and Mastering Assignments Discussions Grades People Smarthinking Online Tutoring 63,879 amen Bookmarks Window Help a morganstatejnstructurecom EJ [CI m Question 5 3 pts Babies 6 to 23 months of age with inner ear infections were given antibiotics. The children were randomly assigned to receive antibiotics for a full 10 days or to receive antibiotics for 5 days and then a placebo for 5 days, There were 229 children assigned the shorter course, and 77 of them had "clinical failure" whereas of the 238 assigned to the longer course of antibiotics, 39 had clinical failure. a) Compare the percentage of clinical failure in each group and state which group did better. b) Was this an observational study ora controlled experiment? How do you know? c) Can you conclude that the treatment caused the difference? Why or why not? Edit View Insert Format Tools Table 12ptV ParagraphV B I U Av av Tzv Fri Jan 7 10:04 PM r5 +