Question

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 110 patients and finds that 52 prefer electronic forms while 58 prefer hand written forms. Find the 90% confidence limit for the proportion of all patients that prefer the electronic forms.

Answer 1

Given 52 prefer electronic forms out of 110 patients

i.e. n = 100 and X = 52

The 90% confidence limit for the proportion of all patients that prefer the electronic forms is