Posted by Betty on Friday, February 8, 2013 at 11:25am.
P(Z’⋂Z’) = P(Z') = .60
P(Z’⋃Y’) = 1-P(Z⋂Y) = 1-(.40+.30-.58) = .88
P(Z’⋃Y) = .72
P(Z⋂Y’) = .28 or P(Z’⋃Y)'
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