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((3 choose 0)17.6 + (3 choose 1)17.1 + (3 choose 2) 17.4 + (3 choose 3) 17.4)/2^3
((3 choose 0)17.6 + (3 choose 1)17.1 + (3 choose 2) 17.4 + (3 choose 3) 17.4)/2^3
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