Problem 128

Given information

As per the given question,

• Five hundred and eleven () homes in a certain southern California community are randomly surveyed to determine if they meet minimal earthquake preparedness recommendations.
• One hundred seventy-three () of the homes surveyed met the minimum recommendations for earthquake preparedness, and  did not.

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

Step-by-step explanation

As per the given question,

• A random sample survey of homes in south California was done, where .
• such homes met the minimum recommendation for earthquake preparedness.
• By using Ti- calculator, we get the values of ().