Expedia Would Like to Test the Hypothesis That the Proportion $${ } ^ { 2 } v$$

question 96

Multiple Choice

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 ? = 0.05. The test statistic for this hypothesis test would be ______.

• A)\[{ } ^ { 2 } v\] = - 1.97
• B)\[{ } ^ { 2 } v\] = - 1.22
• C)\[{ } ^ { 2 } v\] = - 2.67
• D)\[{ } ^ { 2 } v\] = - 2.30

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