Three airlines serve a Srinagar. Airline ‘Amira’ has 50% of all the scheduled flights, airline ‘Biyas’ has 30%, and airline ‘chinar’ has the remaining 20%. Their on-time rates are 80%, 65%, and 40%, respectively.
A plane has just left on time. What is the probability that it was airline ‘Amira’?
Let A₁, A₂, and A₃ represent the events of the flight was of Amira, Biyas and Chinar respectively, and let B be the event 'The flight left on time'.
Then we are to find the value of P(A1|B).
Using Bayes’ theorem formula we get:
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