Xr12-96* An important decision faces Christmas holiday celebrators: buy a real or artificial tree? A sample of 1,508 male and female respondents age 18 years and older was interviewed. Respondents were asked whether they preferred a real (1) or artificial

(2) tree. If 6 million Canadian households buy Christmas trees, estimate with 95% confidence the total number of Canadian households that would prefer artificial Christmas trees. (Source: Toronto Star, November 29, 2006.)