Question: 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

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.

128.

Find the confidence interval at the 90% Confidence Level for the true population proportion of southern California community homes meeting at least the minimum recommendations for earthquake preparedness.

  1. (0.2975, 0.3796)
  2. (0.6270, 0.6959)
  3. (0.3041, 0.3730)
  4. (0.6204, 0.7025)

129.

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

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