A November 2007 Gallup Poll of 1004 adults found that 572 are satisfied with the total cost they pay for their health care. The announced margin of error is ±3 percentage points. The announced confidence level is 95%. Which of the statements is a correct and complete confidence statement in this scenario?
A.
We are 95% confident that p is between 54% and 60%.
B.
We are 95% confident that p is 57%.
C.
We are sure that p is between 54% and 60%.
Answer: A.
We are 95% confident that p is between 54% and 60%.
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.