Develop 90% confidence intervals for the proportion of all students, the proportion of all male students, and the proportion of all female students who participated in binge drinking. Sample size of 90 (46 female, 44 male).

Gender Answer Involved in binge drinking Abused Prescrip med. Used illegal drugs

Male yes 12 12 9

No 32 32 35

Female Yes 10 15 15

No 36 31 31

1a.) Participated in Binge Drinking All Students 0.244444 Male Students 0.272727 Female Students 0.217391

b.) Abused Prescription Med. Or Marijuana All Students 0.3 Male Students 0.272727 Female Students 0.326087

c.) Used Illegal Drugs All Students 0.266667 Male Students 0.204545 Female Students 0.326087