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The sample data below represent the number of late and on time flights for three airlines. Airline Flight 3 Late 63 75 80 On Time 237 225 320 (a) Formulate the hypotheses for a test that will determine if the population proportion of late flights is the same for all three airlines, OH P1 = P2 = P3 H: Not all population proportions are equal. O Ho: Not all population proportions are equal. H : P = P2 = P3 OH: P = P2 - P3 H.: All population proportions are not equal. O Ho: All population proportions 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 Do not reject H . We cannot conclude that not all of the population proportions are equal. O Do not reject H . We conclude that not all of the population proportions are equal. O Reject H . We cannot conclude that not all of the population proportions are equal. O Reject H . We conclude that not all of the population proportions are equal. (c) Compute the sample proportion of late flights for each airline. P1 = What is the overall proportion of late flights for the three airlines? P =[