Banana Republic is interested in knowing the proportion of a

Banana Republic is interested in knowing the proportion of adults who buy clothing online. How many adults must be surveyed in order to be 95% confident that the sample proportion is within 3 percentage points (.03)? Show work, answer question, and give units

Compute Sample Size ( n ) = n=(Z/E)^2*p*(1-p)
Z a/2 at 0.05 is = 1.96
Samle Proportion = 0.5
ME = 0.03
n = ( 1.96 / 0.03 )^2 * 0.5*0.5
= 1067.1111 ~ 1068