SHOW ALL WORK 6. A survey of 85 customers was taken at Barnes & Noble regarding the types of books pur-
chased. The survey found that
44 purchased mysteries.
33 purchased science fiction.
29 purchased romance novels.
13 purchased mysteries and science fiction.
5 purchased science fiction and romance novels.
11 purchased mysteries and romance novels.
2 purchased all three types of books.
Draw a Venn diagram illustrating the above information. Then use the Venn diagram to
answer the following questions.
How many of the customers surveyed purchased
a) none of these types of books?
b) only science fiction?
c) exactly one of these types of books?
d) mysteries and romance novels, but not science fiction?