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Constructing a confidence interval for the proportion

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Reference no: EM132857697

A newsgroup is interested in constructing a 99% confidence interval for the proportion of all Americans who are in favor of a new Green initiative. Of the 503 randomly selected Americans surveyed, 448 were in favor of the initiative.

a. With 99% confidence the proportion of all Americans who favor the new Green initiative is between ______ and ______

b. If many groups of 503 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.

Reference no: EM132857697

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