A national survey of 1000 adult citizens of a nation found that 21% dreaded Valentine's Day. The margin of error for the survey was 4.3 percentage points with 90% confidence. Explain what this means. Which statement below is the best explanation? O A. There is 90% confidence that 21% of the adult citizens of the nation dreaded Valentine's Day. O B. There is 90% confidence that the proportion of the adult citizens of the nation that dreaded Valentine's Day is between 0.167 and 0.253. O C. There is 85.7% to 94.3% confidence that 21% of the adult citizens of the nation dreaded Valentine's Day. D. In 90% of samples of adult citizens of the nation, the proportion that dreaded Valentine's Day is between 0.167 and 0.253.
A national survey of 1000 adult citizens of a nation found that 21% dreaded Valentine's Day. The margin of error for the survey was 4.3 percentage points with 90% confidence. Explain what this means. Which statement below is the best explanation? O A. There is 90% confidence that 21% of the adult citizens of the nation dreaded Valentine's Day. O B. There is 90% confidence that the proportion of the adult citizens of the nation that dreaded Valentine's Day is between 0.167 and 0.253. O C. There is 85.7% to 94.3% confidence that 21% of the adult citizens of the nation dreaded Valentine's Day. D. In 90% of samples of adult citizens of the nation, the proportion that dreaded Valentine's Day is between 0.167 and 0.253.
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Transcribed Image Text:A national survey of 1000 adult citizens of a nation found that 21% dreaded Valentine's Day. The margin of error for the survey was 4.3 percentage points with 90% confidence. Explain what this means.
Which statement below is the best explanation?
O A. There is 90% confidence that 21% of the adult citizens of the nation dreaded Valentine's Day.
O B. There is 90% confidence that the proportion of the adult citizens of the nation that dreaded Valentine's Day is between 0.167 and 0.253.
O C. There is 85.7% to 94.3% confidence that 21% of the adult citizens of the nation dreaded Valentine's Day.
D. In 90% of samples of adult citizens of the nation, the proportion that dreaded Valentine's Day is between 0.167 and 0.253.
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