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According to a publication, 13.7 % of 18 to 25 were users of marijuana in 2000....

According to a publication, 13.7 % of 18 to 25 were users of marijuana in 2000. A recent poll of 1248 randomly selected 18 to 25 revealed that 186 currently use marijuana. At the 22 % 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 13.7%?

Use the one-proportion z-test to perform the appropriate hypothesis test, after checking the conditions for the procedure.

Identify the critical value(s)

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