Mathematics, 25.02.2020 20:56 lisa123465
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.
Answers: 2
represent the real population proportion female for Biology
represent the estimated proportion female for biology
is the sample size for A
represent the real population proportion female for calculus AB
represent the estimated proportion female for Calculus AB
is the sample size required for B
represent the critical value for the margin of error
and 
, with that value we can find the quantile required for the interval in the normal standard distribution.
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Many high school students take the AP tests in different subject areas. In 2007, of the 144,796 stud...
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