1: Free Response. Show all of your work (unless a problem indicates otherwise). I . (6 points) How many adults must be surveyed to be 95% condent that the sample proportion of adults who . -ve consulted fortune tellers is in error by no more than three percentage points? Use the results of a recent .011 that found that 15% of adults have consulted fortune tellers. . (6 points) You want to estimate the mean amount of time intemet users spend on Facebook each month. ow many intemet users must be surveyed to be 90% condent that your sample mean is within 10 minutes of e population mean? Use 210 minutes as an estimate of the population standard deviation. . (12 points) From a recent poll in which respondents were asked if they felt that U.S. nuclear weapons made em feel safer, 550 out of 1000 people said \"no.\" ) Find the sample proportion, 13, of people who responded \"no\". Use the appropriate formula and show our work. ) Find the margin of error for a 95% condence interval for the true population proportion of people who feel t US. nuclear weapons do not make them feel safer. Round to three decimal places. Use the appropriate ormula and show your work. ) Construct this 95% condence interval. Round to three decimal places. Use the appropriate formula and how your work