A study found that, in 2005. 12.5% of U.S. workers belonged to unions (The Wall Street Journal, January 21. 2006). Suppose a sample of 400 U.S. workers is collected in 2006 to determine whether union efforts to organize have increased union membership. a. Formulate the hypotheses that can be used to determine whether union membership increased in 2006. b. If the sample results show that 52 of the workers belonged to unions. what is the p-value for your hypothesis test? C. At o 05. what is your conclusion?
A study found that, in 2005. 12.5% of U.S. workers belonged to unions (The Wall Street Journal, January 21. 2006). Suppose a sample of 400 U.S. workers is collected in 2006 to determine whether union efforts to organize have increased union membership. a. Formulate the hypotheses that can be used to determine whether union membership increased in 2006. b. If the sample results show that 52 of the workers belonged to unions. what is the p-value for your hypothesis test? C. At o 05. what is your conclusion?
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
Problem 8CR
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37. A study found that, in 2005. 12.5% of U.S. workers belonged to unions (The Wall Street Journal, January 21. 2006). Suppose a sample of 400 U.S. workers is collected in 2006 to determine whether union efforts to organize have increased union membership.
a. Formulate the hypotheses that can be used to determine whether union membership increased in 2006.
b. If the sample results show that 52 of the workers belonged to unions. what is the p-value for your hypothesis test?
C. At o 05. what is your conclusion?
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