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 506 randomly selected Americans surveyed, 376 were in favor of the initiative. Round answers to 2 decimal places where possible. a. With 99% confidence the proportion of all Americans who favor the new Green initiative is between and . b. If many groups of 506 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.
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 506 randomly selected Americans surveyed, 376 were in favor of the initiative. Round answers to 2 decimal places where possible.
a. With 99% confidence the proportion of all Americans who favor the new Green initiative is between and .
b. If many groups of 506 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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