A recent poll of $2000$ randomly selected 18-25-year-olds revealed that $232$ currently use marijuana or hashish. According to a publication, $12.5$ % 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 $12.5$%? Use $\alpha = 0.05$ significance level.

test statistic $z =$

positive critical $z$ score $\ $

negative critical $z$ score $\ $

The final conclusion is

A. 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 $12.5$%.
B. 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 $12.5$%.