Question

In a recent random sample of 1350 registered Democrats across the country, 525 of those surveyed expressed opposition to a government proposal to relax trade restrictions with Cuba.
a. Use the sample information to build the 95% confidence interval estimate of the proportion of all Democrats nationwide who would oppose relaxation of trade restrictions.
b. Identify the standard error and the margin of error terms in your interval.


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  • CreatedJuly 16, 2015
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