adults who file their taxes at least two weeks before the April 15th deadline, a 99% confidence interval is constructed.  The interval ends up being from 0.776 to 0.884.  Which of the following could be a 95% confidence interval for the same sample data?  I.      0.789 to 0.871 II.     0.764 to 0.896 III.    0.754 to 0.894 IV.    0.746 to 0.844 1. IV only 2. III only 3. I only 4. None of the answer options are reasonable 95% confidence intervals. 5. II only

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20. In order to estimate the percentage of adults who file their taxes at least two weeks before the April 15th deadline, a 99% confidence interval is constructed.  The interval ends up being from 0.776 to 0.884.  Which of the following could be a 95% confidence interval for the same sample data? 

I.      0.789 to 0.871

II.     0.764 to 0.896

III.    0.754 to 0.894

IV.    0.746 to 0.844


1. IV only
2. III only
3. I only
4. None of the answer options are reasonable 95% confidence intervals.
5. II only
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