Mathematics, 21.07.2020 16:01, NatalieZepeda
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 556 randomly selected Americans surveyed, 421 were in favor of the initiative. Round answers to 4 decimal places where possible.
Required:
a. With 99% confidence the proportion of all Americans who favor the new Green initiative is between and .
b. If many groups of 593 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.
Answers: 3
Mathematics, 21.06.2019 18:00, BeautyxQueen
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A newsgroup is interested in constructing a 95% confidence interval for the proportion of all Americ...
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