Unformatted text preview: larger than 200. What is the probability that you need more that 66 rolls to do this? 10.7. Among 625 randomly chosen Swedish citizens, it was found that 25 had previously been citizens of another country. Find a 95% conﬁdence interval for the true proportion. 10.8. Suppose we take a poll of 2,500 people. What percentage should the leader have for us to be 99% conﬁdent that the leader will be the winner? 10.9. In a 60day period in Ithaca 12 days were rainy. Is this observation consistent with the belief that the true proportion of rainy days in 1/3?...
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 Fall '08
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 Math, Normal Distribution, Probability theory, joint density, Texas A&M University Department of Mathematics Volodymyr Nekrashevych

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