A website reported that 27​% of drivers 18 and older admitted to texting while driving in 2009. In a random sample of 200 drivers 18 years and older drawn in​ 2010, 57 of the drivers said they texted while driving. Complete parts a through c below. a. Construct a 98​% confidence interval to estimate the actual proportion of people who texted while driving in 2010.   A 98​% confidence interval to estimate the actual proportion has a lower limit of ____  and an upper limit of ____ .

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
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A website reported that 27​% of drivers 18 and older admitted to texting while driving in 2009. In a random sample of 200 drivers 18 years and older drawn in​ 2010, 57 of the drivers said they texted while driving. Complete parts a through c below.

a. Construct a 98​% confidence interval to estimate the actual proportion of people who texted while driving in 2010.
 
A 98​% confidence interval to estimate the actual proportion has a lower limit of ____  and an upper limit of ____

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