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...
How many possible outcomes are there? How many possible outcomes if the coin is tossed four times? Five times? n times? View Solution A coin is tossed three times and the outcomes are recorded. How many possible outcomes are there? How many possible outcomes if the coin is tossed four ...
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
Fill in the blanks below with fractions.(1)When a coin is tossed, there are two possible outcomes: heads (H) or tails (T). The probability of the coin landing H is , and the probability of the coin landing T is .(2)When a single die is thrown, there are six possible outcomes: ...
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 16 times. In how many outcomes do exactly 6 tails occur? a) 6 b) 8,008 c) 720 d) 5,765,760 e) 96 f) none of the above. Combination The combination is the method to find the number of the arrangement, wit...
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 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。
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 ...
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...