試題詳解

133. An insurance company insures red and green cars. An actuary compiles the following data:
  

The actuary randomly picks a claim from all claims that exceed the deductible.
Calculate the probability that the claim is on a red car.
(A) 0.300
(B) 0.462
(C) 0.491
(D) 0.667
(E) 0.692