In a preliminary study, the U.S. Veterans Affairs Department found that 20.9% of the 81 soldiers who were near an accidental nerve gas release just after the 1991 Persian Gulf War had muscle and bone ailments, compared to a rate of 15.5% for the 52,000 Gulf veterans who were not near that area. Use an appropriate test and the 0.10 level of signi?cance in examining if there is significance difference between these two rates.Select one:a.The Null hypothesis that two rates are not different is rejected as p-value=0.07 is less than 0.10b.The Difference between two rates is not significant as p-value=0.17 and is more than alpha=0.10c.The Alternative hypothesis that two proportions are not equal is accepted as p-value=0.09 and is less than 0.1d.The Alternative hypothesis that two proportions are equal is rejected as p-value=0.14 and is more than alpha=0.1

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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In a preliminary study, the U.S. Veterans Affairs Department found that 20.9% of the 81 soldiers who were near an accidental nerve gas release just after the 1991 Persian Gulf War had muscle and bone ailments, compared to a rate of 15.5% for the 52,000 Gulf veterans who were not near that area. Use an appropriate test and the 0.10 level of signi?cance in examining if there is significance difference between these two rates.

Select one:

The Null hypothesis that two rates are not different is rejected as p-value=0.07 is less than 0.10

The Difference between two rates is not significant as p-value=0.17 and is more than alpha=0.10

The Alternative hypothesis that two proportions are not equal is accepted as p-value=0.09 and is less than 0.1

The Alternative hypothesis that two proportions are equal is rejected as p-value=0.14 and is more than alpha=0.1

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