Birthweights of full-term newborns in the United States are approximately normally distributed with a mean of about
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Birthweights of full-term newborns in the United States are approximately normally distributed with a mean of about 3,500 grams and a standard deviation of about 450 grams. We will assume this is exactly true.
a. Low birthweight is usually defined to be a newborn weight of less than 2,500 grams. What proportion of the births in the United States result in low birthweights?
b. What birthweights are in the bottom 5%?
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Related Book For
Introduction To Statistical Investigations
ISBN: 9781119683452
2nd Edition
Authors: Beth L.Chance, George W.Cobb, Allan J.Rossman Nathan Tintle, Todd Swanson Soma Roy
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