A survey of 100 people who
volunteered information about their reading
habits showed that
-75 read newspapers daily
-35 read books at least once a week
-45 read magazines regularly
-25 read both newspapers and books
-15 read both books and magazines
-10 read newspapers, books, and
magazines
a) Construct a Venn diagram to determine
the maximum number of people in the
survey who read both newspapers and
magazines.
b) Explain why you cannot determine
exactly how many of the people
surveyed read both newspapers and
magazines.

Question

anonymous · Answer

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