Study the poll results below and then answer the questions that follow.
CBS News Poll. Nov. 15-18, 2018. N=1,010 adults nationwide. |
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"As you may know, the federal minimum wage is currently $7.25 an hour. Do you think the minimum wage should be raised or should it remain at $7.25 an hour?" |
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Should be raised |
Should remain at $7.25 |
Unsure/No Answer |
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69% |
25% |
6% |
1. The standard error for the proportion of adults who think that the minimum wage should be raised is?
2. Calculate the margin of error at the 95% confidence level for this survey. State your answer as a decimal rounded to 3 places.
3. State a 95% confidence interval for the proportion of adults who think that the minimum wage should be raised. Your interval boundaries should be stated in percentages rounded to one decimal place.
4. Explain what we are 95% confident of in this case.
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