A Large Trucking Company Wants to Estimate the Proportion of Its

Multiple Choice

A large trucking company wants to estimate the proportion of its tractor truck population with refrigerated carrier capacity.A random sample of 200 tractor trucks is taken and 30% of the sample have refrigerated carrier capacity.The 95% confidence interval to estimate the population proportion is _______.

A) 0.53 to 0.67
B) 0.25 to 0.35
C) 0.24 to 0.36
D) 0.27 to 0.33
E) 0.28 to 0.34