In 2014, students in an advanced statistics course at uc berkeley conducted type numbers in the boxes. an anonymous survey about use of cognition-enhancing drugs among college to points males. one survey group of males included members from a fraternity, and the other survey of males group included no fraternity members. the standard error formula for the difference between sample proportions is of=m=vp: 09) + py(1-1) calculate the standard error for a survey comparing proportions of cognition-enhancing drug use of fraternity members to non-fraternity members, where pı -0.34, n = 138, p2 = 0.25, n2 = 91. round all calculations to the thousandth decimal place.