One research study of illegal drug use among 12- to 17-year-olds
One research study of illegal drug use among 12- to 17-year-olds
reported a decrease in use (from 11.4% in 1997) to 9.8
9.8% now. Suppose a survey in a large high school reveals that, in a random sample of 1 comma 051
1,051 students, 96
96 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. find the z score
Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code "Newclient"
