n(A) = 40, n(B) = 35, n(C) = 28, n(A cap B) = 12, n(B cap C) = 9, n(A cap C) = 10 and n(A cap B cap C) = 5. Find n(A cup B cup C).

  1. 67
  2. 77
  3. 103
  4. 72
Answer

B) 77

n(A cup B cup C) = 40 + 35 + 28 - 12 - 9 - 10 + 5 = 77. SLO M-09-A-12 · Understanding

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