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Question 135

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Use the following information for questions:
An airport official wants to prove that the p1 = proportion of delayed flights after a storm for Airline A is less than p2 = the proportion of delayed flights for Airline B. Random samples from two airlines after a storm showed that 51 out of 200 of Airline A's flights were delayed, and 60 out of 200 of Airline B's flights were delayed.
-What is the p-value? (computer or calculator for normal distribution required)


A) p-value = 0.0228
B) p-value = 0.0668
C) p-value = 0.1587
D) p-value = 0.3174

Correct Answer:

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