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A computer company advertises its computers in PC World, in PC Magazine, and on television. A survey of 770 customers finds that the number: of customers who are familiar with the company’s con putters because of the different forms of advertising an as follows.
305, PC World 290, PC Magazine 390, television
110, PC World and PC Magazine
135, PC Magazine and television
150, PC World and television
85, all three sources
How many of the surveyed customers know about the computers because of
a. exactly one of these forms of advertising?
b. exactly two of these forms of advertising?
c. PC World and neither of the other two forms of advertising’?
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Chapter 2 Solutions
WebAssign Printed Access Card for Aufmann/Lockwood/Nation/Clegg's Mathematical Excursions, 4th Edition, Single-Term
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