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Test the? principal claim that illegal drug

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Reference no: EM132415830

Part 1: One research study of illegal drug use among? 12- to? 17-year-olds reported a decrease in use? (from 11.4% in? 1997) to 9.6% now. Suppose a survey in a large high school reveals? that, in a random sample of 1,049 ?students, 95 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 given is ?Ho: p=0.096, Ha?: p<0.096

Find the test statistic.

Z = _________

?(Round to two decimal places as? needed.)

Find the p-value for the found test statistic.

P=_________

(Round to four decimal places as? needed)

Now make a conclusion. Choose the correct answer.

A. Reject Ho. There is sufficient evidence to support the claim that illegal drug use in this principal's school is below the current national average.

B. Do not reject the Ho. There is insufficient evidence to support the claim that illegal drug use in this principal's school is below the current national average.

C. Do not reject Ho. There is sufficient evidence to support the claim that illegal drug use in this principal's school is below the current national average.

D. Reject Ho. There is insufficient evidence to support the claim that illegal drug use in this principal's school is below the current national average.

Reference no: EM132415830

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