One research study of legal drug use among 12 to 17 year olds reported a...
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One research study of legal drug use among 12 to 17 year olds reported a decrease in use trom 11 4 in 1997 to 9 7 now Suppose a survey in a large high school reveals that in a randor sample of 1 041 students 93 report using illegal drugs Use a 0 05 significance level to test the principal s claim that illegal drug use in her school is below the current national average Formulate the null and alternative hypotheses Choose the correct answer below AH p 0 097 H p 0 097 CH p 0 097 H D0097 CS OB Hop 0 097 Hp 0 097 OD Ho p 0 097 H D 0 007
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