) Marijuana Usage The CDC reported in 2002 that 17.3% of 18 - 25 year-old US adults had smoked marijuana. Due to the changes in attitudes toward marijuana usage and its decriminalizetion in numerous states, a social services group believes that the proportion of 18 - 25 year-old US adults who now (in 2022) smoke marijuana differs from the 2002 proportion. (a) Define the relevant parameter and state the null and alternative hypothesis. (b) The social services group selects a random sample of 18 - 25 US adults and constructs a 9 confidence interval of (0.181, 0.235). Using the confidence interval, what is the conclusion of test? Include an indication of the significance level. (c) State the conclusion of test in context