SOLUTION: n(U)=15, n(A)=7 then n(A') is,

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Question 1049907: n(U)=15, n(A)=7 then n(A') is,

Answer by MathLover1(20850) About Me  (Show Source):
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given: n(U)=15, n(A)=7 then n(A') is
since n(A) =n(U)-n(A'), we have
n(A') =n(U)-n(A)
n(A')=15-7
n(A')=8