Use a Venn Diagram and the given information to determine the number of elements in the indicated region. n(A) = 17, n(A ? B ? C) = 8, n(A ? C) = 12, n(A ? B') = 6, n(B ? C) = 15, n(B ? C') = 12, n(B ? C) = 32, n(A' ? B' ? C') = 10. Find n(A').
A. 17
B. 30
C. 26
D. 27
Answer: D
Mathematics
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