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Answer (Choose 1 answer)
Expedia would like to test the hypothesis that the proportion of United Airline flights that arrive on-time is less than 0.80. A random sample of 110 United Airline flights found that 82 arrived on-time. Expedia would like to set the significant level to be 0.02. The test statistic for this hypothesis test would be
A. -2.77
B. -2.30
C. None of the other choices is correct
D. -1.87
E. -1.43
