Newborn babies: A study conducted by the Center for Population Economics at the University of Chicago studied the birth weights of 615 babies born in New York. The mean weight was 3286 grams with a standard deviation of 868 grams. Assume that birth weight data are approximately bell-shaped. Part 1 of 3 (a) Estimate the number of newborns whose weight was less than 4154 grams. Approximately of the 615 newborns weighed less than 4154 grams. olo Part 2 of 3 (b) Estimate the number of newborns whose weight was greater than 1550 grams. Approximately of the 615 newborns weighed more than 1550 grams. Part 3 of 3 (c) Estimate the number of newborns whose weight was between 3286 and 5022 grams. Approximately of the 615 newborns weighed between 3286 and 5022 grams.

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Newborn babies: A study conducted by the Center for Population Economics at the University of Chicago studied the birth
weights of 615 babies born in New York. The mean weight was 3286 grams with a standard deviation of 868 grams. Assume that
birth weight data are approximately bell-shaped.
國
Part 1 of 3
(a) Estimate the number of newborns whose weight was less than 4154 grams.
Approximately
of the 615 newborns weighed less than 4154 grams.
ola
园
Part 2 of 3
(b) Estimate the number of newborns whose weight was greater than 1550 grams.
Approximately of the 615 newborns weighed more than 1550 grams.
Part 3 of 3
(c) Estimate the number of newborns whose weight was between 3286 and 5022 grams.
Approximately
of the 615 newborns weighed between 3286 and 5022 grams.
Transcribed Image Text:Newborn babies: A study conducted by the Center for Population Economics at the University of Chicago studied the birth weights of 615 babies born in New York. The mean weight was 3286 grams with a standard deviation of 868 grams. Assume that birth weight data are approximately bell-shaped. 國 Part 1 of 3 (a) Estimate the number of newborns whose weight was less than 4154 grams. Approximately of the 615 newborns weighed less than 4154 grams. ola 园 Part 2 of 3 (b) Estimate the number of newborns whose weight was greater than 1550 grams. Approximately of the 615 newborns weighed more than 1550 grams. Part 3 of 3 (c) Estimate the number of newborns whose weight was between 3286 and 5022 grams. Approximately of the 615 newborns weighed between 3286 and 5022 grams.
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