百度试题 结果1 题目A fair coin is tossed n-times such that the probability of getting at least one head is at least 0.9.Then the minimum value of n is 4 相关知识点: 试题来源: 解析 4 反馈 收藏
Five coins are tossed simultaneously. The probability that at least on head turning up, is View Solution Six coins are tossed simultaneously. The probability that at least one tail turns up is View Solution Exams IIT JEE NEET UP Board
A fair coin is tossed 3 times. What is the probability of at least two consecutive heads? 一枚质地均匀硬币投掷 3次,国徽面至少连续两次朝上的概率是多少?A. 1/8 B. 1/4 C. 3/8 D. 1/2 E. 3/4 相关知识点: 试题来源: 解析 因此,至少有两次连续正面的概率是3/8,正确答案是C. 3/8。
A coin that is tossed will land heads or tails, and each outcome has equal probability. What is the probability that the coin will land heads at least once on two tosses? 选项: A、1/4 B、1/3 C、1/2 D、2/3 E、3/4 答案:
A coin is tossed four times. Each time the result H for heads or T for tails is recorded. An outcome of HHTT means that heads were obtained on the first two tosses and tails on the second two. Assume that heads and tails are equa...
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? C( A)1/8 (B) 1/4 ( C ) 3/8 (D) 1/2 (B) 3/4 相关知识点: 试题来源: 解析 C 反馈 收藏
A coin is flipped and a six-sided die is rolled. What is the probability that the coin shows heads and the die shows a 4 or more?A coin is tossed three times. a. Find the probability that exactly one of the tosses comes up tails. b....
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...
Answer to: A coin is tossed four times. Calculate the probability of obtaining more heads than tails By signing up, you'll get thousands of...
A fair coin is tossed independently twice. The random variable��counts the number of heads��that appeared. Compute the cumulative distribution��(��)of��.