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When a 2015 Pew Research study (www.pewresearch.org) asked whether there is solid evidence of global warming, 92% of liberal Democrats said yes whereas 38% of

When a 2015 Pew Research study (www.pewresearch.org) asked whether there is solid evidence of global warming, 92% of liberal Democrats said yes whereas 38% of conservative Republicans said yes. For Republicans, if n= 200, find and interpret

a)95%

b)99% confidence interval for a relevant parameter.

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