3) If n ( A ) = 44, n ( B ) = 20, and n ( A ? B ) = 8, find n ( A ? B ). 4) If n

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3) If n(A) = 44, n(B) = 20, and n(A ? B) = 8, find n(A ? B).
4) If n(A ? B) = 97 and n(A) = n(B) = 61, find n(A ? B).
5) Let S = {Barnsley, Manchester United, Southend, Sheffield United, Liverpool, Maroka Swallows, Witbank Aces, Royal Tigers, Dundee United, Lyon} be a universal set, A = {Southend, Liverpool, Maroka Swallows, Royal Tigers}, and B = {Barnsley, Manchester United, Southend}. Find the number indicated. HINT [See Quick Example on page 410.] n((A ? B)')
3) If n(A) = 44, n(B) = 20, and n(A ? B) = 8, find n(A ? B).
4) If n(A ? B) = 97 and n(A) = n(B) = 61, find n(A ? B).
5) Let S = {Barnsley, Manchester United, Southend, Sheffield United, Liverpool, Maroka Swallows, Witbank Aces, Royal Tigers, Dundee United, Lyon} be a universal set, A = {Southend, Liverpool, Maroka Swallows, Royal Tigers}, and B = {Barnsley, Manchester United, Southend}. Find the number indicated. HINT [See Quick Example on page 410.] n((A ? B)')
3) If n(A) = 44, n(B) = 20, and n(A ? B) = 8, find n(A ? B).
4) If n(A ? B) = 97 and n(A) = n(B) = 61, find n(A ? B).
5) Let S = {Barnsley, Manchester United, Southend, Sheffield United, Liverpool, Maroka Swallows, Witbank Aces, Royal Tigers, Dundee United, Lyon} be a universal set, A = {Southend, Liverpool, Maroka Swallows, Royal Tigers}, and B = {Barnsley, Manchester United, Southend}. Find the number indicated. HINT [See Quick Example on page 410.] n((A ? B)') n((A ? B)')

Explanation / Answer

3].56

4].25

5]. n((A ? B)')=n((A' ? B'))=4

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