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A sample of n = 200 college students is asked if they believe in extraterrestrial life and 120 of these students say that they do. The data is used to test HO: p = 0.5 versus Hai p> 05., where p is the population proportion of college students who say they believe in extraterrestrial life. A p-value of 0.002 was obtained from Statkey. Suppose that the alternative hypothesis had been Ha: p * 0.5. What would have been the p-value of the test? p-value If we do not have an alpha (level of signi ficance) what do we assume it to be? alpha = in percent, alpha = in decimal format

A sample of n = 200 college students is asked if they believe in extraterrestrial life and 120 of these students say that they do. The data is used to test HO: p = 0.5 versus Hai p> 05., where p is the population proportion of college students who say they believe in extraterrestrial life. A p-value of 0.002 was obtained from Statkey. Suppose that the alternative hypothesis had been Ha: p * 0.5. What would have been the p-value of the test? p-value If we do not have an alpha (level of signi ficance) what do we assume it to be? alpha = in percent, alpha = in decimal format

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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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A sample of n = 200 college students is asked if they believe in extraterrestrial life and 120 of these students say that they do. The data is used to test Ho: p = 0.5 versus Ha: p > 0.5., where p is the population proportion of college students who say they believe in extraterrestrial life. A p-value of 0.002 was obtained from Statkey. Suppose that the alternative hypothesis had been Ha: p : 0.5. What would have been the p-value of the test? p-value If we do not have an alpha (level of significance) what do we assume it to be? alpha = in percent, alpha = in decimal format %3D
Transcribed Image Text:A sample of n = 200 college students is asked if they believe in extraterrestrial life and 120 of these students say that they do. The data is used to test Ho: p = 0.5 versus Ha: p > 0.5., where p is the population proportion of college students who say they believe in extraterrestrial life. A p-value of 0.002 was obtained from Statkey. Suppose that the alternative hypothesis had been Ha: p : 0.5. What would have been the p-value of the test? p-value If we do not have an alpha (level of significance) what do we assume it to be? alpha = in percent, alpha = in decimal format %3D
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