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What is the margin of error-explain its meaning

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Reference no: EM132188200

A questionnaire on the issue of substance abuse problems was mailed to all XYZ city businesses. Of the 72 businesses that responded to the survey, 54 admitted that they had employees whose performance was affected by substance abuse.

(a) Using the sample data, compute a 95% confidence interval for the proportion of all XYZ city businesses with substance problems.

(b) What is the margin of error? Explain its meaning.

(c) Interpret the confidence interval in (a).

Reference no: EM132188200

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