投硬币的概率问题A coin is tossed 10 times.What is the probability that th_英语解答

投硬币的概率问题
A coin is tossed 10 times.What is the probability that the third head will appear on the tenth toss?

人气：131 ℃　时间：2020-03-17 20:03:34

解答

第3次头朝上概率是1/2,因为他们是独立事件