X Recording A doctor has a large number of patients and would like to know if his patients prefer to fill in forms electronically or prefer to hand write their forms. So, he surveys 86 patients and finds that 39 prefer electronic forms while 47 prefer hand written forms. Find the 80% confidence limit for the proportion of all patients that prefer the electronic forms. Answer the following questions: 1. Multiple choice: Which equation would you use to solve this problem? A. x - z-