Question

About 28% of private companies are owned by women (The Cincinnati Enquirer, January 26, 2006). Answer the following questions based on a sample of 240 private companies.
a. Show the sampling distribution of p-bar, the sample proportion of companies that are owned by women.
b. What is the probability the sample proportion will be within ±.04 of the population proportion?
c. What is the probability the sample proportion will be within ±.02 of the population proportion?


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  • CreatedSeptember 20, 2015
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