Section 9.1 Homework Question 5 Answer

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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?

  1. There is 81.3​% to 98.7​% confidence that 23​% of the adult citizens of the nation dreaded​ Valentine’s Day.
  2. In 90​% of samples of adult citizens of the​ nation, the proportion that dreaded​ Valentine’s Day is between0.143 and 0.317.
  3. There is 90​% confidence that 23​% of the adult citizens of the nation dreaded​ Valentine’s Day.
  4. 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.

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This question is taken from Math 136 – Introduction to Statistics » Summer 2021 » Section 9.1 Homework