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February 28, 2015

February 28, 2015

Posted by **Rupal** on Monday, July 15, 2013 at 11:31pm.

Year Percent 95% confidence interval

1997 21.4 20.8-22.0

1998 20.2 19.6-20.8

1999 20.3 19.6-21.0

2000 19.2 18.6-19.9

2001 20.0 19.4-20.6

2002 19.9 19.2-20.5

2003 19.1 18.5-19.8

For which years (or year) above could you reject the null hypothesis that more than 20% of U.S. adults had 5 or more drinks in 1 day, at the .05 significance level?

There may be more than one correct answer.

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