In Exercise 8.18, it was stated that 72% of the 2113 adults surveyed in a Harris poll believed that stem cell research has merit. In the same study, only 58% of those describing themselves as Republicans believed that it has merit. There were 1010 people who described themselves as Republican. The screen shot shows how the TI 83+>84 reports results of interval estimation at the 95% confidence level. Specify the population to which this inference applies and explain how to interpret the confidence interval.

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NORMAL FIX3 AUTO REAL RADIAN CL 1-PropZInt (.550,.611) B=.580 n=1010.000