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A recent study surveyed adults on their views about the Covid-19 vaccine. In a random sample of 850 adults, 430 said that they are concerned

A recent study surveyed adults on their views about the Covid-19 vaccine. In a random sample of 850 adults, 430 said that they are concerned that Covid-19 variants will hamper the country's ability to stop the spread of the disease. Use this sample to construct a 90% confidence interval for the population proportion of all U.S. adults who are concerned that Covid-19 variants will hamper the country's ability to stop the spread of the disease A. ( 0.477, 0.534 ) B. ( 0.462, 0.550 ) C. ( 0.472, 0.540 ) D. ( 0.482, 0.529 )

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