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Statistics / Fundamentals of Statistics 4 / Chapter 9.1 / Problem 51AYU

Fundamentals of Statistics | 4th Edition | ISBN: 9780321838704 | Authors: Michael Sullivan,III

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The 112th Congress of the United States of America has 535

Chapter 5, Problem 51AYU

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QUESTION:

The 112th Congress of the United States of America has 535 members, of which 87 are women. An alien lands near the U.S. Capitol and treats members of Congress as a random sample of the human race. He reports to his superiors that a 95% confidence interval for the proportion of the human race that is female has a lower bound of 0.131 and an upper bound of 0.194. What is wrong with the alien’s approach to estimating the proportion of the human race that is female?

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QUESTION:

The 112th Congress of the United States of America has 535 members, of which 87 are women. An alien lands near the U.S. Capitol and treats members of Congress as a random sample of the human race. He reports to his superiors that a 95% confidence interval for the proportion of the human race that is female has a lower bound of 0.131 and an upper bound of 0.194. What is wrong with the alien’s approach to estimating the proportion of the human race that is female?

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