U B
II
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) = 20, n(B) = 20,
n(C) = 28, n(ACB) = 8,
n(AnC) = 11, n(BNC) = 15
I
III
IV
V
6
VI
There are
VII
VIII
There are
There are
There are
There are
There are
There are
elements in region I.
elements in region II.
elements in region III.
elements in region IV.
elements in region VI.
elements in region VII.
elements in region VIII.