SOLUTION: 40% of all flights are made by airline A. 20% of all flights are made by airline B. 20% of all flights are made by airline C. Company A�s flights are late 5% of

Question 904516: 40% of all flights are made by airline A. 20% of all
flights are made by airline B. 20% of all flights are made by
airline C. Company A�s flights are late 5% of the time. Company
B�s flights are late 9% of the time. Company C�s flights are
late 7% of the time. Company D�s flights are late 6% of the
time. There are only 4 airlines. If a randomly selected flight
is late, find the probability that it was a flight made by
company C.

Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
p(late) = .40(.05) + .20(.09) + .20(.07) + .20(.06) compute and use below
P(A|B) = P(A and B)/P(B)
P(C|late) = .20(.07)/p(late)
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