194. A health insurance policy covers vi..-阿摩線上測驗
194. A health insurance policy covers visits to a doctor’s office. Each visit costs 100. The
annual deductible on the policy is 350. For a policy, the number of visits per year has the
following probability distribution:
A policy is selected at random from those where costs exceed the deductible.
Calculate the probability that this policyholder had exactly five office visits.
(A) 0.050
(B) 0.133
(C) 0.286
(D) 0.333
(E) 0.429