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[" 16.Let "A,B,C,D" be independent event...

[" 16.Let "A,B,C,D" be independent events such that "P(A)=1/2" ,"],[P(B)=1/3,P(C)=1/5," and "P(D)=1/6" .Then the prob- "],[" ability that none of "A,B,C," and "D" occurs "],[[" a."1/180," b."1/45," c."1/18," d.none of these "]]

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