試題詳解

70. The total claim amount for a health insurance policy follows a distribution with density function

 The premium for the policy is set at the expected total claim amount plus 100.
 If 100 policies are sold, calculate the approximate probability that the insurance company will have claims exceeding the premiums collected.
(A) 0.001
(B) 0.159
(C) 0.333
(D) 0.407
(E) 0.460