wangdiddy asked:
this is different from my other post.
A particular city is serviced by three airlines for its passenger traffic. Airline A carries 50% of the passengers, Airline B 30%, and Airline C the remaining 20%. Each of the airlines is responsible for handling its security. The probabilities that a passenger carrying some type of weapon will be detected by Airlines A, B, and C are 0.9, 0.5, and 0.4, respectively.
Reference: Ref 4-29
If a weapon was detected on a passenger, what is the probability that Airline B detected it?
A.0.55
B.0.15
C.0.5
D.0.22
E.0.78
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