Answer:
Here's your answer.
Explanation:
The population in this problem refers to the entire group of interest, which is the group of men who may have an opinion about progress in finding a cure for cancer. The correct option from the given choices is B. All men in the country. However, it is important to note that the sample in this problem is the 998 randomly selected men who were surveyed in the telephone poll. The population parameter in this problem would be the proportion of all men in the country who believe there has been progress in finding a cure for cancer in the last 28 years. The sample statistic in this problem would be the proportion of the 998 men selected in the telephone poll who believe there has been progress in finding a cure for cancer in the last 28 years.