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Five hundred eleven (511) homes in a certain southern California community are randomly surveyed to determine if they meet minimal earthquake preparedness recommendations. One hundred
Five hundred eleven (511) homes in a certain southern California community are randomly surveyed
to determine if they meet minimal earthquake preparedness recommendations. One hundred seventythree
(173) of the homes surveyed met the minimum recommendations for earthquake preparedness
and 338 did not. 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.
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