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Unformatted text preview: a smaller tail probability. C. The 99% CI is wider than the 95% CI, because we want to be more confident that our interval captures the true mean. D. None of the abov Question 6 1 points Save Problem 6.15. What is the lower bound of the 99% confidence interval? Question 7 1 points Save Problem 6.17. What is the center of the 95% confidence interval? Question 8 1 points Save Problem 6.20 Question 9 1 points Save Problem 6.21, part a). Can we be certain that the true population percent falls in this interval? Yes No Question 10 1 points Save Problem 6.21, part c). Report it in the percentage format. For example, if your calculation is 5%, type in 5, not 0.05....
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 Spring '08
 Jung
 Statistics, Normal Distribution, Interval finite element, Student's tdistribution

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