8. A 2001 Harris Poll of 1011 randomly selected American adults found that 25% were cigarette smokers. A sample of the same size in 1983 found that 30% were cigarette smokers. Write the hypotheses for a significance test to determine whether there was a significantly higher proportion of cigarette smokers in 1983 than in 2001. 9. In an October 2003 Gallup survey of 1006 American adults, 54% said that Iraq "was worth going to war over." Use a significance test to determine whether you agree that a majority of American adults believed this was true