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Author Question: Babies weighing less than 5.5 pounds at birth are considered low-birth-weight babies. In the United ... (Read 67 times)

Dannyrod2

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on: Mar 25, 2023

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.

 

 

Hamilton

Shelby

Sample size

150

200

Number of “low-birth-weight babies

18

22


 

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.

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by Dannyrod2 on Mar 25, 2023

ad2018

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Reply #1 on: Mar 25, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Dannyrod2

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Reply 2 on: Mar 25, 2023
Great answer, keep it coming :)

ktidd

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Reply 3 on: Yesterday
Wow, this really help

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