Question

U None of the above POPULATION PROPORTION 13. In order to estimate the population proportion of Americans who support more international involvement to within 2% with 95% confidence, the sample size should be a. 16,577 6. 2,401 c. 1,691 d. None of the above n= (Zaz ) Ê (1-6) 14. In the criminal justice system for the United States an accused person is innocent until proved guilty; therefore, a Type Il error is . Ho innocent a Acquitting a criminal b. Convicting an innocent person Fail to reject C. Having a mistrial d. None of the above a false Ho! 15. The probability of Type I error @ Equals the significance level, a, of the test b. Equals the p-value of the test C. Can only be computed for hypothetical values of the unknown parameter d. None of the above 1.4 16. Suppose 5 Anglo-Americans applicants denied for the UTA Ph.D. in Business Administration program have charged that their GPA's are higher than the advertised average, 3.60, and they are charging reverse discrimination based on the admission criteria. The mean GPA for these students is 3.85 with a standard deviation of .40. At the .10 significance level, are these students justified in their claim? 1.28 a. Yes, the observed value of the test statistic is greater than the critical value b. Yes, the observed value of the test statistic is less than the critical value C. No, the observed value of the test statistic is not greater than the critical value d. None of the above

Answer 1

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