' question 9 Y Q ) 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. 0f the 554 randomly selected Americans surveyed, 413 were in favor of the initiative. Round answers to 4 decimal places where possible. a. With 99% confidence the proportion of all Americans who favor the new Green initiative is between ' l and l ' b. If many groups of 554 randomly selected Americans were surveyed, then a different confidence interval would be produced from each group. About C] percent of these confidence intervals will contain the true population proportion of Americans who favor the Green initiative and about C] percent will not contain the true population proportion