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 statement is true?
A.
The population parameter p is the proportion of the sample that is satisfied with the total cost they pay for their health care.
B.
The population parameter p is the proportion, of the total number of samples, which is within the limits of margin of error.
C.
The population parameter p is proportion of the population who is satisfied with the total cost they pay for their health care.
Answer: C.
The population parameter p is proportion of the population who is satisfied with the total cost they pay for their health care.
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