Question: Expedia would like to test the hypothesis that the proportion of Southwest Airline flights that arrive on-time is less than 0.90. A random sample of

Expedia would like to test the hypothesis that

Expedia would like to test the hypothesis that the proportion of Southwest Airline flights that arrive on-time is less than 0.90. A random sample of 140 United Airline flights found that 119 arrived on-time. Expedia would like to set a = 0.05. The critical value for this hypothesis test would be O 1.28 1.645 2.05 O 2.33

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