A newsgroup is interested in constructing a 95% confidence interval for the proportion of all Americans...

A newsgroup is interested in constructing a 95% confidence interval for the proportion of all Americans who are in favor of a new Green initiative. Of the 539 randomly selected Americans surveyed, 442 were in favor of the initiative. Round answers to 4 decimal places where possible.

a. With 95% confidence the proportion of all Americans who favor the new Green initiative is between ____and _____ .

b. If many groups of 539 randomly selected Americans were surveyed, then a different confidence interval would be produced from each group. About_____ percent of these confidence intervals will contain the true population proportion of Americans who favor the Green initiative and about_______ percent will not contain the true population proportion.

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orchestra answered 1 year ago

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