Question: A digital content strategist creates a community engagement challenge where participants draw cards from a deck of $3n$ uniquely labeled cards numbering from 1 to $3n$. If $n = 4$, and one participant draws 3 cards at random without replacement, what is the probability that the sum of the card numbers is divisible by 3?

Tue, 05 May 2026 03:45:22 +0000

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