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The following sample data represent the number of late and on time flights for the Delta, United and US Airways. Excel File: data12-19.xlsx Airline Flight US Airways Delta United Late 39 51 56 On Time 261 249 344 a. Formulate the hypotheses for a test that will determine whether the population proportion of late flights is the same for all three airlines. Ho : All population proportions are equal Ha : Not all population proportions are equal b. Conduct the hypothesis test with a 0.05 level of significance. What is the p-value? Use Table 3 of Appendix B. The p-value is greater than 0.10 What is your conclusion? Unable to reject the null hypothesis that the population proportions are same c. Compute the sample proportion of late flights for each airline. (to 2 decimals) P2 (to 2 decimals) (to 2 decimals) What is the overall proportion of late flights for the three airlines? Round your answer to three decimal places. The overall proportion of late flights for the three airlines is

The following sample data represent the number of late and on time flights for the Delta, United and US Airways. Excel File: data12-19.xlsx Airline Flight US Airways Delta United Late 39 51 56 On Time 261 249 344 a. Formulate the hypotheses for a test that will determine whether the population proportion of late flights is the same for all three airlines. Ho : All population proportions are equal Ha : Not all population proportions are equal b. Conduct the hypothesis test with a 0.05 level of significance. What is the p-value? Use Table 3 of Appendix B. The p-value is greater than 0.10 What is your conclusion? Unable to reject the null hypothesis that the population proportions are same c. Compute the sample proportion of late flights for each airline. (to 2 decimals) P2 (to 2 decimals) (to 2 decimals) What is the overall proportion of late flights for the three airlines? Round your answer to three decimal places. The overall proportion of late flights for the three airlines is

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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The following sample data represent the number of late and on time flights for the Delta, United and US Airways. Excel File: data12-19.xlsx Airline Flight US Airways Delta United Late 39 51 56 On Time 261 249 344 a. Formulate the hypotheses for a test that will determine whether the population proportion of late flights is the same for all three airlines. Ho : All population proportions are equal Ha : Not all population proportions are equal b. Conduct the hypothesis test with a 0.05 level of significance. What is the p-value? Use Table 3 of Appendix B. The p-value is greater than 0.10 What is your conclusion? Unable to reject the null hypothesis that the population proportions are same c. Compute the sample proportion of late flights for each airline. (to 2 decimals) P2 (to 2 decimals) (to 2 decimals) What is the overall proportion of late flights for the three airlines? Round your answer to three decimal places. The overall proportion of late flights for the three airlines is
Transcribed Image Text:The following sample data represent the number of late and on time flights for the Delta, United and US Airways. Excel File: data12-19.xlsx Airline Flight US Airways Delta United Late 39 51 56 On Time 261 249 344 a. Formulate the hypotheses for a test that will determine whether the population proportion of late flights is the same for all three airlines. Ho : All population proportions are equal Ha : Not all population proportions are equal b. Conduct the hypothesis test with a 0.05 level of significance. What is the p-value? Use Table 3 of Appendix B. The p-value is greater than 0.10 What is your conclusion? Unable to reject the null hypothesis that the population proportions are same c. Compute the sample proportion of late flights for each airline. (to 2 decimals) P2 (to 2 decimals) (to 2 decimals) What is the overall proportion of late flights for the three airlines? Round your answer to three decimal places. The overall proportion of late flights for the three airlines is
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