A survey of 500 television watchers produced the following information: 285 watch football games, 195 watch hockey games, 115 watch basketba games, 45 watch football and basketball games, 70 watch football and hockey games, 50watch hockey and basketball games, and 50 do not watch any of the three kinds of games. How many people in the survey watch all three kinds of games? * 35 25 20 40

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Q: 2. A broadcasting agency finds that, of its 190 clients, 120 use Television, 115 use Radio and 105…

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A: Formula for three overlapping sets: n(A ∪ B ∪ C) = n(A) + n(B) + n(C) – n(A ∩ B) – n(A ∩ C) – n(B ∩…

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