A poll in 2017 reported that 686 out of 1019 adults in a certain country believe that marijuana should be legalized. When this poll about the same subject was rst conducted in 1969, only 12% of the adults of the country supported legalization. Assume the conditions for using the CLT are met. Complete parts (a) through (d) below. a. Find and interpret a 99% confidence interval for the proportion of adults in the country in 2017 that believe marijuana should be legalized. The 99% condence interval for the proportion of adults in the country in 2017 that believe marijuana should be legalized is ( 0.635 , 0.711 ). (Round to three decimal places as needed.) Interpret this interval. Select the correct choice below and ll in the answer boxes to complete your choice. (Type integers or decimals rounded to three decimal places as needed.) O A. There is a :I% chance that the population proportion of adults who believe marijuana should be legalized is between I and O B. We are % condent that every sample proportion of adults who believe marijuana should be legalized is between I I and O c_ We are % condent that the population proportion of adults who believe marijuana should be legalized is between and I O D. There is a :I% chance that the sample proportion of adults who believe marijuana should be legalized is between D and El