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Construct a confidence interval

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Question - Texting and teens. A 2011 teen-driving study by Liberty Mutual Insurance and Students against Destructive Decisions (SADD) reports that 53% of the 2294 high school students surveyed say that they text while they drive at least sometimes, and 28% admit doing so often or very often.

(a) Construct a 90% confidence interval for the proportion of high school students who say that they text while driving at least sometimes.

(b) Construct a 90% confidence interval for the proportion of high school students who say that they text while driving often or very often.

Reference no: EM131747619

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