Does the Public Support Sin Taxes? A survey of 1000 adults in the US conducted in March 2011 asked ‘‘Do you favor or oppose ‘sin taxes’ on soda and junk food?” The proportion in favor of taxing these foods was 32%32%.1 1‘‘32% favor ‘sin taxes’ on soda, junk food”, Rasmussen Reports, April 1, 2011.   (a) Find a 90% confidence interval for the proportion of US adults favoring taxes on soda and junk food. Round your answers to three decimal places. The 90% confidence interval is   (b) What is the margin of error? Round your answer to one decimal place. margin of error =

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Q: 7. Why is a confidence interval also called a "margin of error"?

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A: given data,p^= 0.23n = 345CI =0.99α  = 1-0.99  = 0.01α2  =  0.012   = 0.9950p(z < zc)  = 1 - α2…

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Q: 4) Question: A sample of 40 patients shows that their average cholesterol level is 200 mg/dL with a…

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