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| Teaching Since: | May 2017 |
| Last Sign in: | 408 Weeks Ago |
| Questions Answered: | 66690 |
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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
9.24 The National Geographic Society conducted a study that included 3000 respondents, age 18 to 24, in nine dif-
ferent countries (San Luis Obispo Tribune, November 21, 2002). The society found that 10% of the participants could not identify their own country on a blank world map.
a. Construct a 90% confidence interval for the proportion who can identify their own country on a blank world map.
b. What assumptions are necessary for the confidence in- terval in Part (a) to be valid?
c. To what population would it be reasonable to general- ize the confidence interval estimate from Part (a)?
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