A Poll of 1,006 American Adults Found That 30 Percent

A poll of 1,006 American adults found that 30 percent believe the government should do "a great deal" about global warming. Taking the poll's sample to be a simple random sample of all American adults, which of these is a correct 95 percent confidence statement?

A) With 95 percent confidence (but not certainty) , the percent of the sample who believe the government should do "a great deal" about global warming is between 28.6 and 31.4 percent.
B) With 95 percent confidence (but not certainty) , the percent of the sample who believe the government should do "a great deal" about global warming is between 27.2 and 32.8 percent.
C) With 95 percent confidence, the percent of all American adults who believe the government should do "a great deal" about global warming is between 28.6 and 31.4 percent.
D) With 95 percent confidence, the percent of all American adults who believe the government should do "a great deal" about global warming is between 27.2 and 32.8 percent.