Question

It was reported that in a survey of 4783 American youngsters aged 6 to 19, 18% were seriously overweight (a body mass index of at least 30; this index is a measure of weight relative to height). (a) Calculate a confidence interval using a 99% confidence level for the proportion of all American youngsters who are seriously overweight. (Round your answers to three decimal places.) (b) Interpret the resulting interval.

Name: it was reported that in a survey of 4783 american youngsters aged 6 to 19 18 were seriously overweight a body mass index of at least 30 this index is a measure of weight relative to height a calculate
Uploaded: 2023-08-19T17:36:11-08:00
Duration: 2 min 9 s
Channel: Jerelyn Nevil
Description: it was reported that in a survey of 4783 american youngsters aged 6 to 19 18 were seriously overweight a body mass index of at least 30 this index is a measure of weight relative to height a calculate

          It was reported that in a survey of 4783 American youngsters aged 6 to 19, 18% were seriously overweight (a body mass index of at least 30; this index is a measure of weight relative to height). 

(a) Calculate a confidence interval using a 99% confidence level for the proportion of all American youngsters who are seriously overweight. (Round your answers to three decimal places.)
(b) Interpret the resulting interval.

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The Practice of Statistics for AP

Daren S. Starnes, Daniel S. Yates, David… 5th Edition

Chapter 8

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Solved by Expert Jerelyn Nevil

08/19/2023

Step 1

In this case, p̂ = 0.18 (18% of the sample is seriously overweight) and n = 4783. Show more…

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It was reported that in a survey of 4783 American youngsters aged 6 to 19, 18% were seriously overweight (a body mass index of at least 30; this index is a measure of weight relative to height). (a) Calculate a confidence interval using a 99% confidence level for the proportion of all American youngsters who are seriously overweight. (Round your answers to three decimal places.) (b) Interpret the resulting interval.