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How many households own only one or more dvd players

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Reference no: EM131557565

Question: CONSUMER SURVEYS In a survey of 400 households regarding the ownership of VCRs and DVD players, the following data were obtained: 360 households own one or more VCRs. 170 households own one or more VCRs and one or more DVD players. 19 households do not own a VCR or a DVD player. How many households own only one or more DVD players?

Reference no: EM131557565

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