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Question: 19 the 99 confidence interval is than 95 confidence...

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19. The 99% confidence interval is _________ than 95% confidence interval in a same problem. a. smaller b. larger 20. Suppose 95% confidence interval of the population mean is (4.5, 9.7). (20.a) The population mean must be in the range (4.5, 9.7). a. True b. False (20.b) What is the chance of error if you say that the population mean is somewhere in the range (4.5, 9.7) a. 0.95 b. 0.05 c. 0 d. 0.5 (20.c) How sure is it that population mean is within (4.5, 9.7)? a. With 95% of sureness b. With 5% of sureness (20.d) Based on this confidence interval, can you infer with 95% of confidence that the population mean is more than 5? a. Yes b. No (20.e) Based on this confidence interval, can you infer with 95% of confidence that the population mean is more than 4? a. Yes b. No

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