
Concept explainers
Entertainment According to a survey of 100 people regarding their movie attendance in the last year, 40 had seen a science fiction movie, 55 had seen an adventure movie, and 35 had seen a horror movie. Moreover, 25 had seen a science fiction movie and an adventure movie, 5 had seen an adventure movie and a horror movie, and 15 had seen a science fiction movie and a horror movie. Only 5 people had seen a movie from all three categories.
a. Use the given information to set up a Venn diagram and solve it. [HINT: See Example 4.]
b. Complete the following sentence: The survey suggests that __ % of science fiction movie fans are also horror movie fans.

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Chapter 6 Solutions
Bundle: Finite Mathematics, 7th + WebAssign Printed Access Card for Waner/Costenoble's Finite Mathematics, 7th Edition, Single-Term
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