A newsgroup is interested in constructing a 90% confidence interval for the proportion of all Americans who are in favor of a new Green initiative. Of the 559 randomly selected Americans surveyed, 435 were in favor of the initiative. a. With 90% confidence the proportion of all Americans who favor the new Green initiative is between and Round to 3 decimal places. b. If many groups of 559 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 percent will not contain the true population proportion. Green initiative and about
A newsgroup is interested in constructing a 90% confidence interval for the proportion of all Americans who are in favor of a new Green initiative. Of the 559 randomly selected Americans surveyed, 435 were in favor of the initiative. a. With 90% confidence the proportion of all Americans who favor the new Green initiative is between and Round to 3 decimal places. b. If many groups of 559 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 percent will not contain the true population proportion. Green initiative and about
MATLAB: An Introduction with Applications
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Author:Amos Gilat
Publisher:Amos Gilat
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![A newsgroup is interested in constructing a 90% confidence interval for the proportion of all
Americans who are in favor of a new Green initiative. Of the 559 randomly selected Americans
surveyed, 435 were in favor of the initiative.
a. With 90% confidence the proportion of all Americans who favor the new Green initiative is
between
and
. Round to 3 decimal places.
b. If many groups of 559 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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Transcribed Image Text:A newsgroup is interested in constructing a 90% confidence interval for the proportion of all
Americans who are in favor of a new Green initiative. Of the 559 randomly selected Americans
surveyed, 435 were in favor of the initiative.
a. With 90% confidence the proportion of all Americans who favor the new Green initiative is
between
and
. Round to 3 decimal places.
b. If many groups of 559 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.
Question Help: D Post to forum
Submit Question
w O
NOV
12
W
3D
2.
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