How do I solve the problem? ### Question 15#### The 2010 General Social Survey asked 1235 U.S. residents: "Do you think the use of marijuana should be made legal, or not?" 48% of the respondents said it should be made legal.**a) Is 48% a statistic or a parameter?**- Statistic since it came from all U.S. residents- Statistic since it came from a sample of U.S. residents- Parameter since it came from all U.S. residents- Parameter since it came from a sample of U.S. residents**b) Construct a 95% confidence interval for the proportion of U.S. residents who think marijuana should be made legal and round your answer to 4 decimal places.**- Lower bound: _______- Upper bound: _______[Submit All Parts]---### Explanation:In part **(a)**, the question tests understanding of the distinction between a statistic and a parameter. A **statistic** is a characteristic or measure obtained by using the data values from a *sample*. A **parameter** is a characteristic or measure obtained by using all the data values from a *population*.In part **(b)**, the task involves calculating a 95% confidence interval for the given proportion. This involves using the formula for the confidence interval for a proportion:\[ \hat{p} \pm Z \cdot \sqrt{\frac{\hat{p}(1-\hat{p})}{n}} \]where:- \(\hat{p}\) is the sample proportion (0.48 in this case)- \(Z\) is the Z-value corresponding to the 95% confidence level (1.96)- \(n\) is the sample size (1235)The specific steps include calculating the margin of error and then determining the lower and upper bounds of the confidence interval.

Given that Sample size n =1235 Sample proportion p^=48%=0.48

Question 15 < > The 2010 General Social Survey asked 1235 US residents: "Do you think the use of marijuana should be made legal, or not?" 48% of the respondents said it should be made legal a) Is 48% a statistic or a parameter? O Statistic since it came from all U.S. residents Statistic since it came from a sample of U.S. residents O Parameter since it came from all U.S. residents O Parameter since it came from a sample of U.S. residents Submit All Parts b) Construct a 95% confidence interval for the proportion of US residents who think marijuana should be made legal and round your answer to 4 decimal places. Lower bound: Upper bound: