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 probability that the third head will appear on the te...
A coin is tossed 10 times . The probability of getting exactly six head is 04:38 View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class 10, Class 11 and Class 12, IIT JEE prep, NEET preparation an...
A coin is tossed. What is the probability of getting heads? A. 1/2 B. 1/3 C. 1/4 D. 2/3 相关知识点: 试题来源: 解析 A。解析:抛硬币只有正反两面,所以得到正面的概率是 1/2。B、C、D 选项错误理解抛硬币的概率。反馈 收藏
In a probability experiment, a coin is tossed 100 times. The number of heads is 45. What is the experimental probability of getting a head? A. 0.45 B. 0.5 C. 0.55 D. 0.4 相关知识点: 试题来源: 解析 A。本题中,硬币共抛掷 100 次,出现正面 45 次,实验概率即为正面出现的次数除以总次数...
A coin is tossed twice. The probability of getting two heads is: A. 1/2 B. 1/4 C. 1/3 D. 1/6 相关知识点: 试题来源: 解析 B。每次抛硬币得到正面的概率是 1/2,抛两次硬币都是正面的概率 = 1/2×1/2 = 1/4。反馈 收藏
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 would be 1−132=3132 .结果一 题目 A coin is tossed five times. What is the probability that the result has at least one heads? 答案...
A fair coin is tossed twice. What is the probability that it lands on heads exactly once? If you have a fair coin and want to calculate the probability that if you flip the coin 20 times, you will get at least 14 heads. What is the probability that you will...
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...
Thus, the probability that the result is at least one head would be 1−132=3132 . 结果一 题目 A coin is tossed five times. What is the probability that the result has at least one heads? 答案 3132 .The probability that the result is 5 tails in a row would be 12×12×12×12×...
A fair coin is tossed twice. The probability of getting heads both times is: A. 1/2 B. 1/4 C. 1/3 D. 2/3 相关知识点: 试题来源: 解析 B。每次抛硬币得到正面的概率是 1/2,两次都得到正面的概率是 1/2×1/2 = 1/4。选项 A 是单次抛硬币得到正面的概率;选项 C 和 D 计算错误。