USA today provided a "snapshot" illustrating poll results from 21,944 subjects. The illustration showed that 43% answered "yes" to this question : " Would you rather have a boring job than no job?" The margin of error was given as plus and minus 1 percentage point.

1. Describe what is meant by the statement that the "the margin of error is plus and minus 1 percentage point".

2. Also, we are given that 43% of 21,944 people polled answered "yes". Given that 43% is the best estimate of the population percentage, why would we need a confidence interval?

3. What additional information does a confidence interval provide.

Subject | Mathematics |

Due By (Pacific Time) | 07/19/2015 12:00 am |

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