Please , I don't understand these part, thank you!

Question 4 According to the website www.collegedrinkingprevention.gov, "About 25 percent of college Type numbers in the boxes. students report academic consequences of their drinking including missing class, falling aby Part 1: 5 points behind, doing poorly on exams or papers, and receiving lower grades overall." A statistics ab7 Part 2: 5 points student is curious about drinking habits of students at his college. He wants to estimate the 10 points mean number of alcoholic drinks consumed each week by students at his college. He plans to use a 99% confidence interval. He surveys a random sample of 55 students. The sample mean is 3.69 alcoholic drinks per week. The sample standard deviation is 3.56 drinks. Construct the 99% confidence interval to estimate the average number of alcoholic drinks consumed each week by students at this college. Your answer should be rounded to 2 decimal places