142概率中等数值题medium
Exactly Two Sixes in Four Dice
题目
You roll 4 fair six-sided dice. What is the probability that exactly 2 of the 4 dice show a six?
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提交作答时记录，用于后续平均用时统计。
你的答案
题目
You roll 4 fair six-sided dice. What is the probability that exactly 2 of the 4 dice show a six?
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