According to a publication, 14.8% of 18 to 25-year-olds were users of marijuana in 2000. A recent

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According to a publication, 14.8% of 18 to 25-year-olds were users of marijuana in 2000. A recent poll of 1297 randomly selected 18 to 25-year-olds revealed that 224 currently use marijuana. At the 20% significance level, do the data provide sufficient evidence to conclude that the percentage of 18 to 25-year-olds who currently use marijuana has changed from the 2000 percentage of 14.8%? Use the one-proportion z-test to perform the appropriate hypothesis test, after checking the conditions for the procedure.

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Introductory Statistics

ISBN: 9781292099729

10th Global Edition

Authors: Neil A. Weiss

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