A nationwide poll asked a random sample of US adults the question, "Are you in favor of making Election Day a federal holiday?” Based on the results of this poll, the 95% confidence interval for the population proportion who favor making Election Day a federal holiday is (0.64, 0.70).
Interpret the confidence interval.

A. We are 95% confident that less than half of US adults favor making Election Day a federal holiday.

B. 95% of the time between 64% and 70% of US adults favor making Election Day a federal holiday

C. We are 95% confident that the interval from 0.64 to 0.70 captures the true proportion of US adults who favor making Election Day a federal holiday.

D. 95% of US adults are in favor of making Election Day a federal holiday by a margin of 64 to 70.