7) (1 point) A Washington Post article from 2009 reported that\"support for a government-run health-care plan to compete withprivate insurers has rebounded from its summertime lows and winsclear majority support from the public.\" More specifically, 67percent of Democrats back the plan, while almost nine in 10Republicans oppose it. Independents divide 54 percent in favor ofand 42 percent against the legislation. 4% responded with \"other\".There were 815 Democrats, 566 Republicans and 780 Independentssurveyed. Round all results to 4 decimal places.
a. Calculate a 95% confidence interval for the differencebetween pDemocrat−pIndependentpDemocrat−pIndependent . We havealready checked conditions for you.
Lower:
Upper:
b. True or false: If we had picked a random Democrat and arandom Independent at the time of this poll, it is more likely thatthe Democrat would support the public option than theIndependent.Ă‚Â Ă‚Â ? True False
