140概率困难数值题long
Three-of-a-Kind Among Five Dice
题目
You roll 5 fair six-sided dice. What is the probability that at least one face value appears exactly 3 times?
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提交作答时记录，用于后续平均用时统计。
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题目
You roll 5 fair six-sided dice. What is the probability that at least one face value appears exactly 3 times?
解题计时
0:00
提交作答时记录，用于后续平均用时统计。
你的答案