Use the Given Degree of Confidence and Sample Data to Construct

Multiple Choice

Use the given degree of confidence and sample data to construct a confidence interval for the population proportion p.
-Of 260 employees selected randomly from one company, 18.46% of them commute by carpooling. Construct a 90% confidence interval for the true percentage of all employees of the company who carpool.

A) 12.3% < p < 24.7%
B) 14.5% < p < 22.4%
C) 12.9% < p < 24.1%
D) 13.7% < p < 23.2%