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Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola
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Honesty In a USA Today survey of 456 subjects, 269

Chapter 10, Problem 7 CRE

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QUESTION:

Problem 7 CRE

Honesty In a USA Today survey of 456 subjects, 269 answered “yes” to this question: “Is honesty always the best policy?”

a. Use a 0.05 significance level to test the claim that the majority of us say that honesty is always the best policy.

b. The survey results were obtained from Internet users who visited the USA Today Web site and chose to respond to the question that was posted. What is the term used to describe this type of sample? What does this sampling method suggest about the results given in part (a)?

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QUESTION:

Problem 7 CRE

Honesty In a USA Today survey of 456 subjects, 269 answered “yes” to this question: “Is honesty always the best policy?”

a. Use a 0.05 significance level to test the claim that the majority of us say that honesty is always the best policy.

b. The survey results were obtained from Internet users who visited the USA Today Web site and chose to respond to the question that was posted. What is the term used to describe this type of sample? What does this sampling method suggest about the results given in part (a)?

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