試題詳解

184. An actuary compiles the following information from a portfolio of 1000 homeowners insurance policies:
i) 130 policies insure three-bedroom homes.
ii) 280 policies insure one-story homes.
iii) 150 policies insure two-bath homes.
iv) 30 policies insure three-bedroom, two-bath homes.
v) 50 policies insure one-story, two-bath homes.
vi) 40 policies insure three-bedroom, one-story homes.
vii) 10 policies insure three-bedroom, one-story, two-bath homes.
Calculate the number of homeowners policies in the portfolio that insure neither onestory nor two-bath nor three-bedroom homes.
(A) 310
(B) 450
(C) 530
(D) 550
(E) 570