What is the probability that if there are four people in a room,at least two of them have the same birth month? 一个房间有4个人,最少2个人生日是同月的概率是多少 相关知识点: 试题来源: 解析 这个问题可能需要在每个人的生日月份概率都是1/12的前提下进行(要不然按365天平均的概率就算死了…) 4...
The numbe of choice here is given be . Multiplying these together and dividing by the numberof all possible hands we get (b)We can generalize the reasoning behind the xpression in part a) to write a formula for the probability of being dealt exactly i kings .there are ways of choosing...
probability-based online panelrepresentativenessnon-Internet unitsELIPSS paneltabletsThe Internet is considered an attractive option for survey data collection. However, some people do not have access to it. One way to address this coverage problem for general population surveys is to draw a ...
In a survey carried out by the Sayerville community, 56% of women say that they enjoyed being stay at home mom. A random sample of 10 was chosen. What is the probability that exactly 5 women would be stay at home moms? What is the probability ...
The odds in favor of Team A beating Team B are 7:5. Calculate the probability that Team A will win?The odds in favor of winning a game are 7:5. What is the probability of (a) winning a game? (b) losing a game?If team A is the underdog in...
结果1 题目 In an investment, the probability of making a profit is 0.6. What is the probability of not making a profit? A. 0.4 B. 0.6 C. 0.5 D. 0.7 相关知识点: 试题来源: 解析 A。盈利的概率是 0.6,那么不盈利的概率就是 1 - 0.6 = 0.4 。 反馈 收藏 ...
What is the probability that a dart thrown in the circle with center O above will land in the shaded region, if the measure of ∠ AOB is 60°? ( ) A. 12 B. 13 C. 14 D. 16 E. 18 相关知识点: 试题来源: 解析 D Since there are 360° in a circle, the shaded region repre...
P. Keating, What is the probability that a random integral quadratic form in n variables has an integral zero?, Int Math Res Notices, to appear.M. Bhargava, J. Cremona, and T.A. Fisher, What is the probability that a random integral quadratic form in n variables is isotropic?, ...
The number of courses taken (X) has the following probability distribution: P(X=4) = 0.4, P(X=5) = 0.2, P(X=6) = 0.2, P(X=7) = 0.2. What is the probability that X is between 4.5 and 6.5? What is a simple event in probability?
What is the probability of having two girls and one boy in a three-child family if the probability of having a boy is 0.5? (Use the binomial table). If a couple has five children, what is the probability that they have three boys and ...