1. According to the World Bank, in September 2018, the countries of the European Union report that 46% of the labor force is female. The United Nations wonders if the percentage of females in the labor force is the same in the United States. Representatives from the United States Department of Labor plan to check a random sample of over 10,000 employment records on file to estimate a percentage of females in the United States labor force. a. They select a random sample of 525 employment records and find that 229 of the people are females. Check the required conditions to construct a confidence interval. b. Create the confidence interval. c. Interpret the confidence interval in this context.

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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1. According to the World Bank, in September 2018, the countries of the European Union report
that 46% of the labor force is female. The United Nations wonders if the percentage of
females in the labor force is the same in the United States. Representatives from the United
States Department of Labor plan to check a random sample of over 10,000 employment
records on file to estimate a percentage of females in the United States labor force.
a. They select a random sample of 525 employment records and find that 229 of the
people are females. Check the required conditions to construct a confidence interval.
b. Create the confidence interval.
c. Interpret the confidence interval in this context.
Transcribed Image Text:1. According to the World Bank, in September 2018, the countries of the European Union report that 46% of the labor force is female. The United Nations wonders if the percentage of females in the labor force is the same in the United States. Representatives from the United States Department of Labor plan to check a random sample of over 10,000 employment records on file to estimate a percentage of females in the United States labor force. a. They select a random sample of 525 employment records and find that 229 of the people are females. Check the required conditions to construct a confidence interval. b. Create the confidence interval. c. Interpret the confidence interval in this context.
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