Low-fuel landing
25%
instrument failure
15%
bad weather
5%
failed landing gear
15%
engine failure
20%
autopilot failure
15%
normal conditions
5%
at a flight-training academy, each pilot is given an emergency condition in a simulator during testing (the probabilities are shown in the table). in the current class, 25 trainees failed the test and 115 passed. how many trainees were tested in the most common scenario?
25
35
15
10
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