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Unformatted text preview: confidence interval even though the level of significance is the same. This is because all of the Type I probability (or α29 is in the left tail (or in the lower bound). 8-27 95% confidence interval on mean tire life 8-28 99% lower confidence bound on mean Izod impact strength 8-46 95% two sided confidence interval for σ and 8-55 a) 95% confidence interval for the proportion of college graduates in Ohio that voted for George Bush. b) 95% lower confidence bound on the proportion of college graduates in Ohio that voted for George Bush. 8-58 a) 95% Confidence Interval on the true proportion of helmets showing damage b) c)...
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- Spring '08
- Statistics, Interval finite element, Student's t-distribution