Many high school students take the AP tests in different subject
areas. In 2007, of the 144,796 students who took the biology exam
84,199 of them were female. In that same year, of the 211,693
students who took the calculus AB exam 102,598 of them were female
("AP exam scores," 2013). Estimate the difference in the proportion
of female students taking the biology exam and female students
taking the calculus AB exam using a 90% confidence level.
Considering it is...