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In a Survey of 370 Households Regarding the Ownership of VCRs

Question 62

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In a survey of 370 households regarding the ownership of VCRs and DVD players, the following data was obtained:

340 households own one or more VCRs.

170 households own one or more VCRs and one or more DVD players.

18 households do not own a VCR or a DVD player.

How many households only own one or more DVD players?

__________ households

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