1. Who made up the "universe" or polling population of this particular poll? The "universe" of this polls was likely Democratic caucus-goers. 2. If 25% of people say they are supporting Bernie Sanders and the sampling error is 4.8%, what is the actual range of Sanders's support? From 20.2% to 29.8%. 3. Using the margin of error, describe a possible scenario in which Sanders would not win, but still fits the polls data. Biden is stated to have 18% of the support. With 4.8% sampling error, this means he could have up to 22.8%. Sanders could have as low as 20.2%, and thus would lose in this scenario. 4. What were the results found in earlier polls taken in Nevada this year? An early January poll from Suffolk University/USA Today showed Biden leading with 19% compared to Sanders's 18%. Warren trailed the two at 10%. A Fox News poll taken at the same time showed Biden beating Sanders 23% to 17%, with Warren following at 12%. 5. What changes took p...