Expedia Would Like to Test the Hypothesis That the Proportion

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 α = 0.05. The critical value for this hypothesis test would be
-------.

A) 2.33
B) 1.645
C) 2.05
D) 1.28