Amedical researcher says that 25% of U.S. adults are smokers. In a random sample of 272US. adults, 57 say that they are smokers at a - 0.05, is there enough evidence to support that less than 25% of US. adults are smokers? Compute the test statistics. 21.2303 2-1.5403 2-1.5403 2-1.2303 Moving to the next question prevents changes to this answer. Question 7

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
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Amedical researcher says that 25% of U.S. aduits are smokers. In a random sampie of 272US. adults, 57 say that they are smokers at a - 0.05, is there enough
evidence to support that less than 25% of U.S. adults are smokers?
Cormpute the test statistics.
21.2303
2-1.5403
2-1.5403
2-1.2303
A Moving to the next question prevents changes to this answer.
Question 7 of
Transcribed Image Text:Amedical researcher says that 25% of U.S. aduits are smokers. In a random sampie of 272US. adults, 57 say that they are smokers at a - 0.05, is there enough evidence to support that less than 25% of U.S. adults are smokers? Cormpute the test statistics. 21.2303 2-1.5403 2-1.5403 2-1.2303 A Moving to the next question prevents changes to this answer. Question 7 of
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