Use the following example for questions 1 and 2: According to the National Crime Victimization Study, in 2018, 1.68% of people in the United States were victims of serious crime: The result was based on a sample of 242, 928 people: 1. Estimate the percentage of U.S. adults who were victims at the 90% confidence level. Provide an interpretation of the confidence level: 2. Estimate the percentage of U.S.adults who were victims at the 99% confidence level.