determine Z score corresponding to desired confidence level enter in decimal form rounded to the nearest ten thousandth let P1 refer to proportion of students taking biology exam P to represent proportional students taking calculus a B exam determine the confidence interval of the proportion difference P1 - P2

Page 2: 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 N 3 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 Page 3: the calculus AB exam using a 90% confidence level. 5 (i) Enter the level of significance orused for this interval estimate: V Enter in decimal form to nearest hundredth. Examples of correctly entered answers: Page 4: 0.01 0.02 0.05 0.10 0.90 6 7 8 Page 5: (mi) Determine Publigy and Pecans 9 Enter both in decimal form to nearest ten-thousandth, separated by comma (no V spaces) Examples of correctly entered answers: Page 6: 0.0001,0.0341 0.0020,0.0500 10 0.3000,0.7115 Page 7: 11 (ili) Determine Z score corresponding to desired confidence level Enter value in decimal form rounded to nearest thousandth. Examples of correctly entered answersi 0.005