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Section 9.1 Homework Question 5
Question
Section 9.1 Homework
5.
A national survey of 2500 adult citizens of a nation found that 23% dreaded Valentine’s Day. The margin of error for the survey was 8.7 percentage points with 90% confidence. Explain what this means.
Which statement below is the best explanation?
- There is 81.3% to 98.7% confidence that 23% of the adult citizens of the nation dreaded Valentine’s Day.
- In 90% of samples of adult citizens of the nation, the proportion that dreaded Valentine’s Day is between0.143 and 0.317.
- There is 90% confidence that 23% of the adult citizens of the nation dreaded Valentine’s Day.
- There is 90% confidence that the proportion of the adult citizens of the nation that dreaded Valentine’s Day is between 0.143 and 0.317.
This question is taken from Math 136 – Introduction to Statistics » Summer 2021 » Section 9.1 Homework