According to the center for disease control and prevention, 20.6% of the U.S. population smoked in 2008. In 2010

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According to the center for disease control and prevention, 20.6% of the U.S. population smoked in 2008. In 2010, a random sample of 650 American was selected, 124 of whom smoked.
Construct a 90% confidence interval to estimate the actual proportion of people who smoked in the United States in 2010.

    • 6 years ago
    According to the center for disease control and prevention, 20.6% of the U.S. population smoked in 2008. In 2010
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