one research study of illegal drug use among 12-17 year olds reported

a decrease in use (from 11.4% in 1997) to 9.76% now. Suppose a survey in a large high school reveals that, in a random sample of 1050 students, 98 report using illegal drugs. Use a 0.05 signifigance 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 hypothesis. Then find what z=. Then find the value of p

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