MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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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 668 babies born in New York. The mean weight was 3325 grams with a standard deviation of 879 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 5083 grams.
Approximately
of the 668 newborns weighed less than 5083 grams.
Part 2 of 3
(b) Estimate the number of newborns whose weight was greater than 2446 grams.
Approximately
of the 668 newborns weighed more than 2446 grams.
Part 3 of 3
(c) Estimate the number of newborns whose weight was between 3325 and 4204 grams.
Approximately
of the 668 newborns weighed between 3325 and 4204 grams.
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Transcribed Image Text:Newborn babies: A study conducted by the Center for Population Economics at the University of Chicago studied the birth weights of 668 babies born in New York. The mean weight was 3325 grams with a standard deviation of 879 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 5083 grams. Approximately of the 668 newborns weighed less than 5083 grams. Part 2 of 3 (b) Estimate the number of newborns whose weight was greater than 2446 grams. Approximately of the 668 newborns weighed more than 2446 grams. Part 3 of 3 (c) Estimate the number of newborns whose weight was between 3325 and 4204 grams. Approximately of the 668 newborns weighed between 3325 and 4204 grams.
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