Use the following information to answer the next three exercises: According to a Field Poll, 79 percent of California adults (actual results are 400 out of 506 surveyed) believe that education and our schools is one of the top issues facing California. We wish to construct a 90 percent confidence interval for the true proportion of California adults who believe that education and the schools is one of the top issues facing California.
The error bound is approximately _____.
- 1.581
- 0.791
- 0.059
- 0.030
OpenStax Statistics, 8.3 A Population Proportion, exercise 55