Consider babies born in the normal range of 37-43 weeks

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Reference no: EM13639841

Consider babies born in the "normal range" of 37-43 weeks gestational age. Extensive data supports the assumption that for such babies born in the United States, birth weight is normally distributed with miu=3432g and Sigma=482g. Once this data was converted to grams, the histogram showed normality.

For babies of this type, what proportion of all birth weights exceeds 4000g?
For babies of this type, what proportion of all birth weights is between 3000 and 4000g?
How would you characterize the highest 0.1% of all birth weights?
What value c is such that the interval (3432-c, 3432+c) includes 98% of all birth weights?

Reference no: EM13639841

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