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) = 21,
n(C) = 28, n(ANB) = 12,
n(ANC) = 17, n(BNC) = 14
There are
There are
There are
There are
There are
There are
There are
elements in region 1.
elements in region II.
elements in region III.
elements in region IV.
elements in region VI.
elements in region VII.
elements in region VIII.
U
A
I
IV
II
V
9
VII
VI
B
III
VIII