A survey shows that 80% of all households have a colour television and 30% have a microwave

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A survey shows that 80% of all households have a colour television and 30% have a microwave oven. If 20% have both a colour television and a microwave, what percentage has neither?

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Business Statistics Using Excel

ISBN: 9780199659517

2nd Edition

Authors: Glyn Davis, Branko Pecar

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