QUESTION 21 An internet survey on a well respected American news web-site asked, "Do you think that gay marriage should be legal?" and 100,000 people responded. Can this survey result be extended to the entire population of America? A. Yes, it is a popular news site B. No, we can never extend sample results to the entire population. C. No, it is a convenience sample D. Yes, it is a very large sample size. QUESTION 22 Suppose that a 99% confidence interval for the difference D ] -| P 2 between the proportion of men and women in California who are alcoholics equals (0.02, 0.09). Which is the correct interpretation of this confidence interval? A. We are 99% confident that the proportion of alcoholics is between 0.02 and 0.09 B. We are 99% confident that a minority of California residents are alcoholics. C. Since the confidence interval does not contain 0, it is impossible that P 1 = P2 D. We can conclude that the population proportion may equal