• A Gallup poll indicated that 20% of Americans had confidence in US banks, Interestingly, 58% also said that they had confidence in their mai or primary bank. (data extracted from D. Jacobs, "Americans' Confidenc in Banks Is at Historical Low," www.gallup.com, April 7, 2010). Th results are based on telephone interviews conducted March 24, 201 with 1,006 adults living in the United States, aged 18 and older. Full name a. Describe the population of interest. 5. Describe the sample that was collected. Group A Is 20% a parameter or a statistic? Explain. d. Is 58% a parameter or a statistic? Explain.