Newborn babies: A study conducted by the Center for Population Economics at the University of Chicago studied the birth weights of 737 babies born in New York. The mean weight was 3490 grams with a standard deviation of 906 grams. Assume that birth weight data are approximately bell-shaped. QUESTIONS: (a) Estimate the number of newborns whose weight was less than 4396 grams. (b) Estimate the number of newborns whose weight was greater than 1678 grams. (c) Estimate the number of newborns whose weight was between 3490 and 5302 grams.

Question

Newborn babies: A study conducted by the Center for Population Economics at the University of Chicago studied the birth weights of 737 babies born in New York. The mean weight was 3490 grams with a standard deviation of 906 grams. Assume that birth weight data are approximately bell-shaped.

QUESTIONS:

(a) Estimate the number of newborns whose weight was less than 4396 grams.

(b) Estimate the number of newborns whose weight was greater than 1678 grams.

(c) Estimate the number of newborns whose weight was between 3490 and 5302 grams.