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A Gallup poll conduct in November 2010 found that 493 of 1050 adult Americans believe it...

A Gallup poll conduct in November 2010 found that 493 of 1050 adult Americans believe it is the responsibility of the federal government to make sure all Americans have healthcare coverage. Show work.

A) construct a 95% confidence interval for the proportion of adult Americans who believe it is the responsibility of the federal government to make sure all Americans Healthcare coverage.

B) Construct a 99% confidence interval for the proportion of adult Americans who believe it is the responsibility of the federal government to make sure all Americans healthcare coverage.

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