Construct confidence interval for the proportion of teens

Reference no: EM131430083

Texting and teens, continued. Refer to the previous exercise. In this same survey, 59% of the teens believe that texting while driving is very/extremely distracting.

(a) Construct a 95% confidence interval for the proportion of teens who find texting while driving very distracting.

(b) In 2009, it was reported that 48% of teens found texting while driving very distracting. Test the hypothesis that there has been a rise in this proportion since 2009 using the α = 0.05 significance level.

Reference no: EM131430083

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