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April 17, 2014

Homework Help: math

Posted by Joe on Saturday, November 3, 2012 at 9:20pm.

According to a national study, 45% of american adults have hypertension, 20% have hypotension, and 35% have normal blood pressure. A sample of 150 adults was taken and the following data were collected. Hypertensive: 54, Normal: 69, Hypotensive: 27. Test at the 5% level whether the distribution of blood pressure categories differs from the national numbers.

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