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Back to 8.3 A Confidence Interval for A Population Proportion

8.3 Exercise 53

Avg difficulty 2.5


Use the following information to answer the next two exercises: Five hundred and eleven (511) homes in a certain southern California community are randomly surveyed to determine if they meet minimal earthquake preparedness recommendations. One hundred seventy-three (173) of the homes surveyed met the minimum recommendations for earthquake preparedness, and 338 did not.

The point estimate for the population proportion of homes that do not meet the minimum recommendations for earthquake preparedness is ______.

  1. 0.6614
  2. 0.3386
  3. 173
  4. 338

OpenStax Introductory Business Statistics 2e, 8.3 A Confidence Interval for A Population Proportion, exercise 53

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