Answer Happy

A At least one of the answers above is NOT correct. 3 of the questions remain unanswered. A recent poll of 2000 randomly selected 18-25-year-olds revealed that 232 currently use marijuana or hashish. According to a publication, 12.7 % of 18-25-year-olds were current users of marijuana or hashish in 1997. Do the data provide sufficient evidence to conclude that the percentage of 18-25- year-olds who currently use marijuana or hashish has changed from the 1997 percentage of 12.7% ? Use a = 0.05 significance level. test statistic z = positive critical z score negative critical z score correct The final conclusion is OA. There is not sufficient evidence to conclude that the percentage of 18-25-year-olds who currently use marijuana or hashish has changed from the 1997 percentage of 12.7%. OB. There is sufficient evidence to conclude that the percentage of 18-25- year-olds who currently use marijuana or hashish has changed from the 1997 percentage of 12.7%.