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The sample data below represent the number of late and on time flights for three airlines. Flight Late 1 Airline 2 3 27 39 44 On Time 273 261 356 (a) Formulate the hypotheses for a test that will determine if the population proportion of late flights is the same for all three airlines. O Ho: P₁ = P₂ = P3 Ha: All population proportions are not equal. O Ho: Not all population proportions are equal. Ha: P1 = P₂ = P3 O Ho: P₁ = P₂ = P3 Ha: Not all population proportions are equal. O Ho: All population proporti are not equal. Ha: P₁ = P₂ = P3 (b) Conduct the hypothesis test with a 0.05 level of significance. Find the value of the test statistic. (Round your answer to three decimal places.) Find the p-value. (Round your answer to four decimal places.) p-value = State your conclusion. O Reject Ho. We cannot conclude that not all of the population proportions are equal. O Reject Ho. We conclude that not all of the population proportions are equal. O Do not reject Ho. We conclude that not all of the population proportions are equal. O Do not reject Ho. We cannot conclude that not all of the population proportions are equal. (c) Compute the sample proportion of late flights for each airline. P1 P₂ = P3 What is the overall proportion of late flights for the three airlines? p=

The sample data below represent the number of late and on time flights for three airlines. Flight Late 1 Airline 2 3 27 39 44 On Time 273 261 356 (a) Formulate the hypotheses for a test that will determine if the population proportion of late flights is the same for all three airlines. O Ho: P₁ = P₂ = P3 Ha: All population proportions are not equal. O Ho: Not all population proportions are equal. Ha: P1 = P₂ = P3 O Ho: P₁ = P₂ = P3 Ha: Not all population proportions are equal. O Ho: All population proporti are not equal. Ha: P₁ = P₂ = P3 (b) Conduct the hypothesis test with a 0.05 level of significance. Find the value of the test statistic. (Round your answer to three decimal places.) Find the p-value. (Round your answer to four decimal places.) p-value = State your conclusion. O Reject Ho. We cannot conclude that not all of the population proportions are equal. O Reject Ho. We conclude that not all of the population proportions are equal. O Do not reject Ho. We conclude that not all of the population proportions are equal. O Do not reject Ho. We cannot conclude that not all of the population proportions are equal. (c) Compute the sample proportion of late flights for each airline. P1 P₂ = P3 What is the overall proportion of late flights for the three airlines? p=

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 sample data below represent the number of late and on time flights for three airlines. Flight Late 1 Airline On Time 273 2 3 27 39 44 = 261 356 (a) Formulate the hypotheses for a test that will determine if the population proportion of late flights is the same for all three airlines. O Ho: P₁ = P₂ = P3 H: All population proportions are not equal. O Ho: Not all population proportions are equal. Ha: P₁ = P₂ = P3 O Ho: P₁ = P₂ = P3 Ha: Not all population proportions are equal. O Ho: All population proportions are not equal. H₂: P₁ = P2 = P3 (b) Conduct the hypothesis test with a 0.05 level of significance. Find the value of the test statistic. (Round your answer to three decimal places.) Find the p-value. (Round your answer to four decimal places.) p-value = State your conclusion. O Reject Ho. We cannot conclude that not all of the population proportions are equal. O Reject Ho. We conclude that not all of the population proportions are equal. O Do not reject Ho. We conclude that not all of the population proportions are equal. O Do not reject Ho. We cannot conclude that not all of the population proportions are equal. (c) Compute the sample proportion of late flights for each airline. P1 P₂ P3 What is the overall proportion of late flights for the three airlines? P =
Transcribed Image Text:The sample data below represent the number of late and on time flights for three airlines. Flight Late 1 Airline On Time 273 2 3 27 39 44 = 261 356 (a) Formulate the hypotheses for a test that will determine if the population proportion of late flights is the same for all three airlines. O Ho: P₁ = P₂ = P3 H: All population proportions are not equal. O Ho: Not all population proportions are equal. Ha: P₁ = P₂ = P3 O Ho: P₁ = P₂ = P3 Ha: Not all population proportions are equal. O Ho: All population proportions are not equal. H₂: P₁ = P2 = P3 (b) Conduct the hypothesis test with a 0.05 level of significance. Find the value of the test statistic. (Round your answer to three decimal places.) Find the p-value. (Round your answer to four decimal places.) p-value = State your conclusion. O Reject Ho. We cannot conclude that not all of the population proportions are equal. O Reject Ho. We conclude that not all of the population proportions are equal. O Do not reject Ho. We conclude that not all of the population proportions are equal. O Do not reject Ho. We cannot conclude that not all of the population proportions are equal. (c) Compute the sample proportion of late flights for each airline. P1 P₂ P3 What is the overall proportion of late flights for the three airlines? P =
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