CH 21 Q4: Please answer parts B and C.

Areputable medical journal reported on an experiment intended to see if a certain drug could be used as a treatment for the eating disorder anorexia nervosa. The subjects, women being treated for anorexia, were randomly divided into two groups. Of the 56 who received the drug, 39 were deemed healthy a year later, compared to 36 of the 50 who got the placebo. Complete parts a through 0 below. a) Are the conditions for inference satised? Select all that apply. [EA Yes. all conditions are satised or can be assumed to be satised. ' __l B. No, the Independent Groups Assumption is not satised or cannot be assumed to be satised. ___l C. No, the Success/Failure Condition is not satised or cannot be assumed to be satised. ___J D. No, the independence Assumption is not satised or cannot be assumed to be satised. b) Find a 90% condence interval for the difference in outcomes. Let the women who received the drug be sample 1 and let the women who received the placebo be sample 2. The 90% condence interval is , ] . (Round to three decimal places as needed. Use ascending order.)