6.27 Public Option, Part III: Exercise 6.13 presents the results of a poll evaluating support for the health care publi

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6.27 Public Option, PartIII: Exercise 6.13 presents the results of apoll evaluating support for the health care public option plan in2009. 70% of 819 Democrats and 42% of 783 Independents support thepublic option.1. Calculate a 95% confidence interval for the difference between(PD - pI) and interpret it in this context. We havealready checked the conditions for you.The confidence interval is: (___________%, _____________%) (please round to the nearestpercent) Interpret the confidence interval incontext:
(PICK ONE)
a) We can be 95% confident that the difference in populationproportions is contained within our interval
b) 95% of differences in proportions are contained within thisinterval
c) We can be 95% confident that the difference in sampleproportions is contained within our interval
2. True or false (Explain): If we had picked a random Democratand a random Independent at the time of this poll, it is morelikely that the Democrat would support the public option than theIndependent.
a) true
b) false
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