Mathematics, 29.04.2021 03:00 hayleighhurt
Find the margin of error and the 95% confidence interval for the following study.
A 2009 poll of 540 people aged 12-17, conducted by ICR of Media , Pennsylvania, concluded that 62% of American teenagers support the current legal drinking age of 21
- What is given?
- What you are looking for?
- Write the formula:
- Substitute the numbers into the formula:
- Make a conclusion about the confidence interval:
Answers: 2
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Find the margin of error and the 95% confidence interval for the following study.
A 2009 poll of...
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