Use the Given Degree of Confidence and Sample Data to Construct

question 43

Multiple Choice

Use the given degree of confidence and sample data to construct a confidence interval for the population proportion p.
-Of 80 adults selected randomly from one town, 67 have health insurance. Find a 90% confidence interval for the true proportion of all adults in the town who have health insurance.

• A) \(0.741 < \mathrm { p } < 0.934\)
• B) \(0.731 < \mathrm { p } < 0.944\)
• C) \(0.757 < p < 0.918\)
• D) \(0.770 < p < 0.905\)

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