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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 398 Weeks Ago, 3 Days Ago |
| Questions Answered: | 66690 |
| Tutorials Posted: | 66688 |
MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
The flame resistance of three materials used in children’s pajamas was tested by subjecting specimens of the materials to high temperatures. Out of 111 specimens of material A, 37 ignited. Out of 85 specimens of material B, 28 ignited. Out of 100 specimens of material C, 21 ignited. Test the hypothesis that the probability of ignition is the same for all three materials versus the alternative that this hypothesis is false at α = 0.05.
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