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中文题目2 staff members and 2 trained couriers start on one side of a corridor. A cart carries at most two people, and only couriers can drive it. Assuming at least two couriers are available, what is the minimum number of one-way cart trips needed to move everyone across if staff must a
打开 →In round 1, you draw 3 numbers independently and uniformly at random (with replacement) from $\{1, 2, 3, 4\}$. In round 2, you draw 2 numbers independently and uniformly at random (with replacement) from $\{3, 4, 5, 6\}$. The two pools overlap at $\{3, 4\}$. Across all 5 draws, f
打开 →In a two-stage experiment, you first draw 2 numbers without replacement from $\{1, 2, 3, 4, 5, 6\}$, then independently draw 1 number uniformly from $\{1, 2, 3, 4, 5\}$. Let $P$ be the product of all three drawn numbers. Find $P(6 \mid P)$, the probability that the product is div
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