Phones Recent research suggests that 73% of Americans have a home phone, 83% have a cell

Chapter 14, Problem 11

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Phones Recent research suggests that 73% of Americans have a home phone, 83% have a cell phone, and 58% of people have both. What is the probability that an American has a) a home or cell phone? b) neither a home phone nor a cell phone? c) a cell phone but no home phone?

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