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...
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 12×12×12×12×12=132 . Thus, the probability that the result is at least one head would be 1−132=3132 ...
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...
7. When a fair coin is tossed six times, the chance of getting 1 or 2 heads is exactly equal to the chance of getting 0 or 3 heads. 8. When a fair coin is tossed and the number of heads recorded, the chance error expressed as a ...
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,45÷100 = 0.45。反馈 收藏 ...
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
A coin is tossed n times and the number of heads that appear is recorded. For each of the following outcomes:decide if the coin is biased.n = 100 tosses and 51 heads appear 相关知识点: 试题来源: 解析 P =0.841 which is 0.05 So, there is not enough evidence to say the coin is ...
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
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...
百度试题 结果1 题目A fair coin is tossed 3 times. What is the probability of at least two consecutive heads? Answer: 相关知识点: 试题来源: 解析 38 反馈 收藏