Between 27 April 2020 and 10 May 2020, Gallup surveyed a random sample of 7,962 U.S. adults regarding their well-being (adapted from https:/ ews.gallup.com/poll/311135/adults-report-less-worry-happiness.aspx). Of those surveyed, 31% reported feeling loneliness "during a lot of the day yesterday". Use this information to respond to the following midterm exam questions. Round any numeric answers to three (3) decimal places. (a) What population is Gallup interested in with this survey? (3 points) (b) What was Gallup's sample for this survey? (3 points) (c) Is 31% a parameter or a statistic? Explain your choice. (2 points) (d) Using the quick method, what is the margin of error for this poll? (2 points) (e) What is the 95% confidence interval for the proportion of US adults experiencing loneliness "during a lot of the day yesterday"? (4 points) (f) Interpret the 95% confidence interval you just calculated in a sentence. (4 points)