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At an Airport, 78% of Recent Flights Have Arrived on Time

Question 2

Multiple Choice

At an airport, 78% of recent flights have arrived on time. A sample of 11 flights is studied. Find the probability that exactly 7 of them were on time.


A) 0.1358
B) 0.0014
C) 0.8642
D) 0.0030

Correct Answer:

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