281. A health insurer sells policies to residents of territory A and territory B. Past claims experience indicates the following:
i) 20% of the total policyholders from territory A and territory B combined filed no claims.
ii) 15% of the policyholders from territory A filed no claims.
iii) 40% of the policyholders from territory B filed no claims.

Calculate the probability that a randomly selected policyholder was a resident of territory A, given that the policyholder filed no claims.
(A) 0.09
(B) 0.27
(C) 0.50
(D) 0.60
(E) 0.80

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統計: A(0), B(0), C(0), D(1), E(0) #3239460

詳解 (共 1 筆)

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