An insurance company checks police records on 560 accidents selected at random and notes that teenagers were at the wheel in 85 of them. a) Construct the 95% confidence interval for the percentage of all auto accidents that involve teenage drivers. 95% CI = (%%) (Round to one decimal place as needed.)

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
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An insurance company checks police records on 560 accidents selected at random and notes that teenagers were at the wheel in 85 of them.
(...)
a) Construct the 95% confidence interval for the percentage of all auto accidents that involve teenage drivers.
95% CI = (%,%)
(Round to one decimal place as needed.)
Transcribed Image Text:An insurance company checks police records on 560 accidents selected at random and notes that teenagers were at the wheel in 85 of them. (...) a) Construct the 95% confidence interval for the percentage of all auto accidents that involve teenage drivers. 95% CI = (%,%) (Round to one decimal place as needed.)
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