Babies Weighing Less Than 5

question 12

Essay

Babies weighing less than 5.5 pounds at birth are considered "low-birth-weight babies." In the United States, 7.6% of newborns are low-birth-weight babies. The following information was accumulated from samples of new births taken from two counties.
a.Develop a 95% confidence interval estimate for the difference between the proportions of low-birth-weight babies in the two counties.
b.Is there conclusive evidence that one of the proportions is significantly more than the other? If yes, which county? Explain, using the results of part (a). Do not perform any test.

---

Definitions:

Cultural Issues

Problems or challenges that arise within a cultural context, often relating to differences in beliefs, values, and practices.

Bottle Feeding

The act of feeding a baby with milk or formula from a bottle.

Infants

Very young children from birth to one year of age, who are in the earliest stage of their lives.

Child's Healthy Development

The progression through which children grow and mature in a manner that is physically, emotionally, and intellectually healthy.