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In a nationwide poll, N people were interviewed. If 1/4 of [#permalink]
04 Apr 2008, 12:49
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In a nationwide poll, N people were interviewed. If 1/4 of them answered "yes" to question 1, and of those, 1/3 answered "yes" to question 2, which of the following expressions represents the number of people interviewed who did NOT answer "yes" to both questions?