Confidence interval for the proportion of females

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European Union (EU) countries report that 46% of their labor force isfemale. The United Nations wants to determine if the percentage offemales in the US labor force is the same. Representatives from the USDepartment of Labor selected a random sample of 525 from over 10,000records on file and found that 229 are female. The 95% confidence interval for the proportion of females in the US labor force is

a. 0.35 to 0.47

b. 0.40 to 0.48

c. 0.17 to 0.69

Reference no: EM131236105

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