SOLUTION: Please help me solve this in simple way. Thank You. Three airlines serve a small town in Ohio. Airline A has 45% of all scheduled flights, airline B has 33% and airline C has t

Algebra ->  Probability-and-statistics -> SOLUTION: Please help me solve this in simple way. Thank You. Three airlines serve a small town in Ohio. Airline A has 45% of all scheduled flights, airline B has 33% and airline C has t      Log On


   

Question 1119904: Please help me solve this in simple way. Thank You.
Three airlines serve a small town in Ohio. Airline A has 45% of all scheduled flights, airline B has 33% and airline C has the remaining 22%. Their on-time rates are 76%, 69%, and 40%, respectively. A flight just left on-time. What is the probability that it was a flight of airline A?
Probability =
Answer by ikleyn(52778) About Me  (Show Source):
You can put this solution on YOUR website!
.
the Probability = the ratio (of the number of the flights A left on-time) to (the number of all flights left on-time) = 


    %280.45%2A0.76%29%2F%280.45%2A0.76+%2B+0.33%2A0.69+%2B+0.22%2A0.4%29 = 0.52 = 52%.