The accompanying Venn diagram shows the number of
elements in region V. Use the given cardinalities to
determine the number of elements in each of the other
seven regions.
n(U) = 44, n(A) = 22, n(B) = 23,
n(C) = 26, n(AnB) = 12,
n(ANC) = 11, n(BnC) = 14
There are elements in region 1.
IV
=
II
8
VII
VI
E
III
VIII
