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 574 randomly selected Americans surveyed, 359 were in favor of the initiative. a. With 90% confidence the proportion of all Americans who favor the new Green initiative is between and percent of these b. If many groups of 574 randomly selected Americans were surveyed, then a different confidence interval would be produced from each group. About 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.

MATLAB: An Introduction with Applications
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Author: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 574 randomly selected Americans
surveyed, 359 were in favor of the initiative.
a. With 90% confidence the proportion of all Americans who favor the new Green initiative is
between
and
percent of these
b. If many groups of 574 randomly selected Americans were surveyed, then a different
confidence interval would be produced from each group. About
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.
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 574 randomly selected Americans surveyed, 359 were in favor of the initiative. a. With 90% confidence the proportion of all Americans who favor the new Green initiative is between and percent of these b. If many groups of 574 randomly selected Americans were surveyed, then a different confidence interval would be produced from each group. About 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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