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The distribution of baby weights at birth is left skewed because of premies (premature babies) who have particularly low birth weights. However, within a close range of gestation times, birth weights are approximately Normally distributed. For babies born at full term (37 to 39 completed weeks of gestation), for instance, the distribution of birth weights (in grams) is approximately N(3350, 440). Low-birth-weight babies (weighing less then 2500 grams, or about 5 lbs 8 oz) are at an increased risk of serious health problems. Among those, very- low-birth-weight babies (weighing less than 1500 grams, or about 3 lbs 4 oz) have the highest risk of experiencing health problems. a) What proportion of babies born full term are low-birth- weight babies? (i.e. weigh less then 2500 g) b) Above what weight are the largest (heaviest) 10% of full term babies?

The distribution of baby weights at birth is left skewed because of premies (premature babies) who have particularly low birth weights. However, within a close range of gestation times, birth weights are approximately Normally distributed. For babies born at full term (37 to 39 completed weeks of gestation), for instance, the distribution of birth weights (in grams) is approximately N(3350, 440). Low-birth-weight babies (weighing less then 2500 grams, or about 5 lbs 8 oz) are at an increased risk of serious health problems. Among those, very- low-birth-weight babies (weighing less than 1500 grams, or about 3 lbs 4 oz) have the highest risk of experiencing health problems. a) What proportion of babies born full term are low-birth- weight babies? (i.e. weigh less then 2500 g) b) Above what weight are the largest (heaviest) 10% of full term babies?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question 2: 10 pts The distribution of baby weights at birth is left skewed because of premies (premature babies) who have particularly low birth weights. However, within a close range of gestation times, birth weights are approximately Normally distributed. For babies born at full term (37 to 39 completed weeks of gestation), for instance, the distribution of birth weights (in grams) is approximately N(3350, 440). Low-birth-weight babies (weighing less then 2500 grams, or about 5 lbs 8 oz) are at an increased risk of serious health problems. Among those, very- low-birth-weight babies (weighing less than 1500 grams, or about 3 lbs 4 oz) have the highest risk of experiencing health problems. a) What proportion of babies born full term are low-birth- weight babies? (i.e. weigh less then 2500 g) b) Above what weight are the largest (heaviest) 10% of full term babies?
Transcribed Image Text:Question 2: 10 pts The distribution of baby weights at birth is left skewed because of premies (premature babies) who have particularly low birth weights. However, within a close range of gestation times, birth weights are approximately Normally distributed. For babies born at full term (37 to 39 completed weeks of gestation), for instance, the distribution of birth weights (in grams) is approximately N(3350, 440). Low-birth-weight babies (weighing less then 2500 grams, or about 5 lbs 8 oz) are at an increased risk of serious health problems. Among those, very- low-birth-weight babies (weighing less than 1500 grams, or about 3 lbs 4 oz) have the highest risk of experiencing health problems. a) What proportion of babies born full term are low-birth- weight babies? (i.e. weigh less then 2500 g) b) Above what weight are the largest (heaviest) 10% of full term babies?
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