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4. For the 95% confidence level, A. a.01 B. a .01 C.a=05 D. a = .025 5. Which of the following is the formula for z-test population proportion? A z= B.z= C.z= D.z= 6. For a 2-test proportions, which of the following is the rejection region for a one- tailed test? A. z> B. z> C.z

4. For the 95% confidence level, A. a.01 B. a .01 C.a=05 D. a = .025 5. Which of the following is the formula for z-test population proportion? A z= B.z= C.z= D.z= 6. For a 2-test proportions, which of the following is the rejection region for a one- tailed test? A. z> B. z> C.z

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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4. For the 95% confidence level, B. a.01 A. a = .01 C. a = .05 D. a = .025 5. Which of the following is the formula for z-test population proportion? A z= B. z D. zm 6. For a 2-test proportions, which of the following is the rejection region for a one- tailed test? A. z> B. z> C.z<% D. z</2 7. For a z-test proportions, which of the following is the rejection region for a two- tailed test? A z>or2>-Z B. z>-a/2 07 20/2 C.z<zor z <-za D. z < -20/2 or 2 <2u/ 8. If p = 0.37, what is q? A. 0.37 B. 0.73 C. 0.63 D. 0.53 9. In a 2-test of proportions, the computed z lies in the rejection region. This means that A. The sample proportion is equal to the hypothesized proportion. B. The sample proportion is equal to the population proportion. C. The sample proportion is not equal to the hypothesized proportion. D. The sample proportion is not equal to the population proportion. 10. In a one-tailed z test of proportions, the comparative statement 0.35 > 0.42. What decision should be made about Ho? A. Reject Ho B. Accept Ho C. The sample proportion> the population proportion D. The sample proportion <the population proportion 11. It is number of elements in the sample, having the same characteristics, divided by the sample size (). A. Confidence level C. Margin of error B. Critical Value D. Sample Proportion 12. A researcher claims that the proportion of male rats in the population of rats is 45%. Which is the correct set of hypotheses to test his claim? A. Ho: p2 0.45 and Ha: p < 0.45 B. Ho:p> 0.45 and Ha: p < 0.45 C. Ho: p= 0.45 and Ha:p 0.45 D. Ho: p2 0.45 and Ha: p > 0.45 13. The proportion of obese children ages 3-10 is higher than 40%. Which of the following is the correct set of hypotheses? A. Ho: p2 0.4 and Ha: p < 0.4 B. Ho:p> 0.4 and Ha: p < 0.4 C. Ho: p= 0.4 and Ha: p= 0, D. Ho:p s 04 and Ha: p > 0.4 14. It is the value proposed in the null hypothesis. A. Sample Mean C. Population Mean B. Sample Proportion D. Population Proportion 15. What test-statistic will be used in testing Population Proportion? A. 2-test C. z-test for population proportion B. t-test D. t-test for population proportion City
Transcribed Image Text:4. For the 95% confidence level, B. a.01 A. a = .01 C. a = .05 D. a = .025 5. Which of the following is the formula for z-test population proportion? A z= B. z D. zm 6. For a 2-test proportions, which of the following is the rejection region for a one- tailed test? A. z> B. z> C.z<% D. z</2 7. For a z-test proportions, which of the following is the rejection region for a two- tailed test? A z>or2>-Z B. z>-a/2 07 20/2 C.z<zor z <-za D. z < -20/2 or 2 <2u/ 8. If p = 0.37, what is q? A. 0.37 B. 0.73 C. 0.63 D. 0.53 9. In a 2-test of proportions, the computed z lies in the rejection region. This means that A. The sample proportion is equal to the hypothesized proportion. B. The sample proportion is equal to the population proportion. C. The sample proportion is not equal to the hypothesized proportion. D. The sample proportion is not equal to the population proportion. 10. In a one-tailed z test of proportions, the comparative statement 0.35 > 0.42. What decision should be made about Ho? A. Reject Ho B. Accept Ho C. The sample proportion> the population proportion D. The sample proportion <the population proportion 11. It is number of elements in the sample, having the same characteristics, divided by the sample size (). A. Confidence level C. Margin of error B. Critical Value D. Sample Proportion 12. A researcher claims that the proportion of male rats in the population of rats is 45%. Which is the correct set of hypotheses to test his claim? A. Ho: p2 0.45 and Ha: p < 0.45 B. Ho:p> 0.45 and Ha: p < 0.45 C. Ho: p= 0.45 and Ha:p 0.45 D. Ho: p2 0.45 and Ha: p > 0.45 13. The proportion of obese children ages 3-10 is higher than 40%. Which of the following is the correct set of hypotheses? A. Ho: p2 0.4 and Ha: p < 0.4 B. Ho:p> 0.4 and Ha: p < 0.4 C. Ho: p= 0.4 and Ha: p= 0, D. Ho:p s 04 and Ha: p > 0.4 14. It is the value proposed in the null hypothesis. A. Sample Mean C. Population Mean B. Sample Proportion D. Population Proportion 15. What test-statistic will be used in testing Population Proportion? A. 2-test C. z-test for population proportion B. t-test D. t-test for population proportion City
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