Five hundred nineteen (519) homes in a certain southern California community are randomly surveyed to determine...

Five hundred nineteen (519) homes in a certain southern California community are randomly surveyed to determine if they meet minimal earthquake preparedness recommendations. One hundred seventy-six (176) of the homes surveyed met the minimum recommendations for earthquake preparedness and 343 did not.
Find the point estimate for the population proportion of homes that do not meet the minimum recommendations for earthquake preparedness. (Round your answer to four decimal places.)

Five hundred sixteen (516) homes in a certain southern California community are randomly surveyed to determine if they meet minimal earthquake preparedness recommendations. One hundred seventy-nine (179) of the homes surveyed met the minimum recommendations for earthquake preparedness and 337 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. (Round your answers to three decimal places.)

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orchestra answered 1 year ago

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