Let S and T be subsets of the universal set U Draw an approp

Let S and T be subsets of the universal set U. Draw an appropriate Venn diagram and use the given data to determine the number of elements in each basic region.

n(U) = 13, n(S) = 5, n(T) = 6, n(S \"upside down U\" T) = 3

*Region I contains ____ elements

*Region II contain ____ elements

*Region III contains ___ elements

*Region IV contains ___ elements

Solution

Region I contains ___5_ elements
*Region II contain __6__ elements
*Region III contains __3_ elements
*Region IV contains __10_ elements