134概率中等数值题medium
Near-Even Split in Seven Coin Flips
题目
You flip 7 fair coins. What is the probability that the number of heads and the number of tails differ by at most 1?
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0:00
提交作答时记录，用于后续平均用时统计。
你的答案
题目
You flip 7 fair coins. What is the probability that the number of heads and the number of tails differ by at most 1?
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