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# Probability Question help pls !!!!!

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Let \(S = \{1, 2, 3, \dots, n\}\). Three subsets A, B, C of S are chosen at random.

(a) Find the probablity that \(A \cup B \cup C = S.\)

(b) Find the probablity that \(A \subseteq B \subseteq C.\)

Jun 19, 2020