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8.3 Exercise 55

Avg difficulty 2.5


Use the following information to answer the next three exercises: According to a Field Poll, 79% of Georgia adults (actual results are 400 out of 506 surveyed) feel that “education and our schools” is one of the top issues facing the state. We wish to construct a 90% confidence interval for the true proportion of Georgia adults who feel that education and the schools is one of the top issues facing Georgia.

The error bound is approximately _____.

  1. 1.581
  2. 0.791
  3. 0.059
  4. 0.030

OpenStax Introductory Statistics 2e, 8.3 A Population Proportion, exercise 55

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Adapted from Introductory Statistics 2e © 2023 Rice University. Licensed under CC BY 4.0. Source: Introductory Statistics 2e. Imported at revision 50ec917.