Concept explainers
A national survey of 1000 adults was conducted on May 13. 2013 by Rasmussen Reports. ft concluded with 95% confidence that 49% to 55% of Americans believe that big-rime college sports programs corrupt the process of higher education.
a. Find the point estimate and the error bound for this confidence Interval.
b. Can we (with 95% confidence) conclude that more than half of all American adults believe this?
c. Use the point estimate from part a and n 1.000 to calculate a 75% confidence Interval for the proportion of American adults that believe that major college sports programs conupt higher education.
d. Can we (with 75% confidence) conclude that at least half of all American adults believe this?
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