Question
A survey of television viewers revealed the following information: 20 watched situation comedies19 watched game shows 27 watched movies19 watched movie but not game shows
A survey of television viewers revealed the following information:
20 watched situation comedies19 watched game shows
27 watched movies19 watched movie but not game shows
15 watched situation comedies but not game shows
10 watched both comediesand movies3 watched all three
8 watched none of these.
a. How many watched comedies only (no movies ,no game shows)?
b. How many television viewers were surveyed ?
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Discrete and Combinatorial Mathematics An Applied Introduction
Authors: Ralph P. Grimaldi
5th edition
978-0201726343
