Question 3
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A newsgroup is interested in constructing a 99% confidence interval for the p...
Mathematics, 17.11.2020 04:20 Dericktopsom
Question 3
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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 526 randomly selected Americans
surveyed, 419 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
and
b. If many groups of 526 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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