The probability that two randomly selected subsets of the set { 1 , 2 , 3 , 4 , 5 } have exactly two elements in their intersection, is:

Question

The probability that two randomly selected subsets of the set { 1 , 2 , 3 , 4 , 5 } have exactly two elements in their intersection, is:, 65 2 8, 65 2 7, 35 2 7, 135 2 9

MARKS App · Accepted Answer

Total subsets = 2 5 = 32 Probability = C 2 5 × 3 3 32 × 32 = 10 × 27 2 10 = 135 2 9

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