The following sample data represent the number of late and on time flights for the Delta, United and US Airways.Excel File: data12-19.xlsxFlightLateOn TimeThe p-value is greater than 0.10What is your conclusion?Delta39261AirlineUnited51249US Airways56344a. 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 equalH₂ Not all population proportions are equalb. Conduct the hypothesis test with a 0.05 level of significance. What is the p-value? Use Table 3 of Appendix B.Hint(s) Check My WorkUnable to reject the null hypothesis that the population proportions are samec. Compute the sample proportion of late flights for each airline.P₁ =(to 2 decimals)P₂ =(to 2 decimals)P3 =(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 Flight Late US Airways 56 On Time 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 H₂ Not all population proportions are equal v 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? Airline United 51 249 Delta 39 261 (to 2 decimals) (to 2 decimals) Unable to reject the null hypothesis that the population proportions are same c. Compute the sample proportion of late flights for each airline. P₁ = P₂ = P3 = (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 Flight Late US Airways 56 On Time 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 H₂ Not all population proportions are equal v 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? Airline United 51 249 Delta 39 261 (to 2 decimals) (to 2 decimals) Unable to reject the null hypothesis that the population proportions are same c. Compute the sample proportion of late flights for each airline. P₁ = P₂ = P3 = (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

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.4: Collecting Data

Problem 3E

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