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
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...
Statement II : A fair coin is tossed 99 times . The probability of getting tails an odd number of times is 1/2 Then which of the above statements are true . View Solution A coin is tossed two times. Find the probability of getting atmost one head. ...
If a coin is tossed n times, then find the probability that the head appears odd number of times. View Solution A coin is tossed three times. Event A: two heads appear Event B: last should be head Then identify whether events A and B are independent or not. ...
If a fair coin is tossed twice, what is the probability of obtaining heads both times?A. 1/4.B. 1/2.C. 3/4.D. 1. 正确答案:A 分享到: 答案解析: The probability of tossing a head, H, is P(H) = 1/2. Since these are independent events, the probability of two heads in a ...
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 tossed 3 times. What is the probability of at least two consecutive heads? O(A)$$ \frac { 1 } { 8 } $$ (B)$$ \frac { 1 } { 4 } $$ (C)$$ \frac { 3 } { 8 } $$ (D)$$ \frac { 1 } { 2 } $$ (E)$$ \frac { 3 } { 4 } $$ 相关知识...
A fair coin is tossed 7 times. (a) What is the probability of obtaining 3 heads? (b) What is the probability of obtaining at most 3 heads? Binomial Distribution: Binomial probability distribution in simple terms is a depicti...
Suppose that a fair coin is tossed n times. Estimate the probability that the proportion of heads obtained lies between .49 and .51 for n = 100, 200, 500, 1000, and 2000. Let X be the number of heads in three tosses of a fair coin. ...
What is the probability of getting 3 heads if a coin is tossed 5 times? What is the probability of getting at least 3 heads when flipping 4 coins? A fair coin is tossed 6 times. What is the probability of getting 4 heads? If you flip a fair coin 10 times, what is the...