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? 答案 第3次头朝上概率是1/2,因为他们是独立事件 结果二 题目 投硬币的概率问题 A coin is tossed 10 times.What is the probabil
Q8. A fair coin is tossed 3 times. What is the probability of at least two consecutive heads?A)1/3B)PD=12C)3/5D)1/3E)3/4 相关知识点: 试题来源: 解析 分析本题涉及到古典概型的概念,即所有可能结果是等可能的,通过列举出硬币抛掷 3 次的所有可能结果,再找出至少有两个连续正面的情况数,最...
A fair coin is tossed 10 times. What is the probability of getting "Tail" for 5 times? A coin is tossed 20 times. What is the probability there are 17 tails? An unfair coin has a probability of coming up heads of 0.70. The coin is flipped 50 times. What i...
head: 136 times and tail: 164 times. When a coin is tossed at random, what is the probability of gettingQ (i) a head (ii) a tail View Solution (a) A coin is tossed three times and the outcomes are recorded. How many possible outcomes are there? (b) How many possible outcomes...
If a coin is tossed 10 times, then number of outcomes in which there are at least five consecutive heads is
A coin is tossed five times. What is the probability that the result has at least one heads? 相关知识点: 试题来源: 解析 3132 . The probability that the result is 5 tails in a row would be 12×12×12×12×12=132 . Thus, the probability that the result is at least one head wou...
A fair coin is tossed 3 times. What is the probability of at least two consecutive heads?( ). A. 18B. 14C. 38D. 12E. 34相关知识点: 试题来源: 解析 C 一枚均匀硬币投掷3次.则有至少连续两次徽面朝上的概率是多少? 首先,有23=8种方法可以按顺序翻转硬币. 获得连续两个头的方法是hht和thh...
A fair coin is thrown in the air four times. If the coin lands with the head up on the first three tosses, What is the probability that the coin will land with the head up on the fourth toss? A biased coin lands heads up with...
A coin is tossed three times .If X denotes the absolute difference between the number of heads and the number of tails then P (X=1)=
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