Question

7.2 (1 point) A Washington Post article from 2009 reported that "support for a government-run health-care plan to compete with private insurers has rebounded from its summertime lows and wins clear majority support from the public." More specifically, 71 percent of Democrats back the plan, while almost nine in 10 Republicans oppose it. Independents divide 51 percent in favor of and 42 percent against the legislation. 7% responded with "other". There were 826 Democrats, 566 Republicans and 789 Independents surveyed. Round all results to 4 decimal places.

a. Calculate a 95% confidence interval for the difference between ?????????−????????????pDemocrat−pIndependent . We have already checked conditions for you.

Lower:

Upper:

Answer 1