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Birth weights of babies in the united states

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Birth weights of babies in the United States can be modeled by a normal distribution with mean 3250 grams (7.165 pounds) and standard deviation 550 grams (1.213 pounds). Those weighing less than 2500 grams (5.512 pounds) are considered to be low birth weight.
consider a child weighing 8 pounds

how did you find the answer?

What proportion of the population would weigh less?
What proportion would weigh more?

Reference no: EM13323106

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