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In a recent survey, 858 American adults were asked if they would give the U.S. president a favorable job performance rating. Of those surveyed 46% gave the president a favorable rating.Calculate a confidence interval for the true percent of all American adults who would give a favorable rating for the president.
a. ( 42.59%, 49.41%)
b. ( 39.17%, 52.83%)
c. ( 41.47%, 50.53%)
d. ( 39.87%, 52.13%)
e. ( 45.9%, 46.12%)