試題詳解

153. A policyholder purchases automobile insurance for two years. Define the following events:
 F = the policyholder has exactly one accident in year one.
 G = the policyholder has one or more accidents in year two.
Define the following events:
i) The policyholder has exactly one accident in year one and has more than one accident in year two.
ii) The policyholder has at least two accidents during the two-year period.
iii) The policyholder has exactly one accident in year one and has at least one accident in year two.
iv) The policyholder has exactly one accident in year one and has a total of two or more accidents in the two-year period.
v) The policyholder has exactly one accident in year one and has more accidents in year two than in year one. Determine the number of events from the above list of five that are the same as F ∩ G.
(A) None
(B) Exactly one
(C) Exactly two
(D) Exactly three
(E) All