A national survey of adult citizens of a nation found that % dreaded Valentine's Day. The margin of error for the

survey was percentage points with % confidence. Explain what this means.

1000 20

7.1 85

Which statement below is the best explanation?
A. There is 85% confidence that 20% of the adult citizens of the nation dreaded Valentine's Day.
B. In % of samples of adult citizens of the nation, the proportion that dreaded Valentine's Day
is between and .
85
0.129 0.271
C. There is % confidence that the proportion of the adult citizens of the nation that dreaded
Valentine's Day is between and .
85
0.129 0.271
D. There is % to % confidence that % of the adult citizens of the nation dreaded
Valentine's Day.
77.9 92.1