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 correct hypothesis statement for this hypothesis test would be _______ .
A) H0: p c 0.90; H1: p > 0.90
B) H0: p c 0.90; H1: p × 0.90
C) H0: p c 0.90; H1: p < 0.90
D) H0: p = 0.90; H1: p × 0.90
Correct Answer:
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