Use the Given Degree of Confidence and Sample Data to Construct

question 24

Multiple Choice

Use the given degree of confidence and sample data to construct a confidence interval for the population proportion p.
-Of 150 adults selected randomly from one town, 30 of them smoke. Construct a 99% confidence interval for the true percentage of all adults in the town that smoke.

• A) 14.6% < p < 25.4%
• B) 13.6% < p < 26.4%
• C) 12.4% < p < 27.6%
• D) 11.6% < p < 28.4%

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