A polling firm surveyed 1000 adults from Canada about moving forward with the electoral reform. Of these, 27% of people in Alberta supported the moving forward with the reform, compared with 49% in British ColumbiaConstruct a 95 % confidence interval for the difference in support between Alberta and British Columbia. (Assume that 42.8% of the adults surveyed were in Alberta and 26.1 % were in British Columbia.) Let adults from Alberta be population 1 and adults from British Columbia be population 2