Question

It was reported that in a survey of 4731 American youngsters aged 6 to 19, 15% were seriously overweight (a body mass index of at least 30; this index is a measure of weight relative to height). 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.) (???,????)

Name: it was reported that in a survey of 4731 american youngsters aged 6 to 19 15 were seriously overweight a body mass index of at least 30 this index is a measure of weight relative to height c 03234
Uploaded: 2022-07-14T15:16:30-08:00
Duration: 2 min 21 s
Channel: Robin Corrigan
Description: it was reported that in a survey of 4731 american youngsters aged 6 to 19 15 were seriously overweight a body mass index of at least 30 this index is a measure of weight relative to height c 03234

          It was reported that in a survey of 4731 American
youngsters aged 6 to 19, 15% were seriously overweight (a
body mass index of at least 30; this index is a measure of weight
relative to height). 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.)
(???,????)

Added by Erin B.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Robin Corrigan

07/14/2022

Step 1

Given: Sample proportion (p) = 0.15 Sample size (n) = 4731 Standard error = sqrt(p * (1 - p) / n) Standard error = sqrt(0.15 * 0.85 / 4731) Standard error = sqrt(0.1275 / 4731) Standard error = sqrt(0.00002696) Standard error ≈ 0.005189 Show more…

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It was reported that in a survey of 4731 American youngsters aged 6 to 19, 15% were seriously overweight (a body mass index of at least 30; this index is a measure of weight relative to height). 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.) (???,????)