a单身就是一个人在饭堂吃云吞 Alone is a person eats the cloud in the dining hall to swallow[translate] a跟她唱 正在翻译,请等待... [translate] alet me ask 让我要求[translate] awe should stop the theft 我们应该停止偷窃[translate]
题目【题目】An integer N is selected at random in the range1≤N≤ 2020. What is the probability that the remainder when N16 is divided by 5 is 1?()A.11/5 B. 2/55C.3/5D.4/5 5E.1 相关知识点: 试题来源: 解析 【解析】D 反馈 收藏 ...
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...
数学题目翻译:what is the probability that the absolute value of the difference between the mean of the distribution, which is 4, and a randomly chosen value of X will be greater than 3/2?另外,特别请问“the mean of the distribution”是什么意思呢?
In a market prediction, the probability of a product's high demand is 0.7. What is the probability that in the next five sales periods, there will be at least three periods with high demand? A. 0.8369 B. 0.5283 C. 0.1631 D. 0.4717 ...
In a population of workers, the mean length of employment with their present firm is 2.5 years, with a standard deviation of 3 years, If a random sample of 36 is taken from the population, what is the probability that the mean of the sample would be more than 3.5 years?
The probability of a stock price increase in a certain month is 0.6. What is the probability that in the next four months, the stock price will increase exactly twice? A. 0.3456 B. 0.2592 C. 0.432 D. 0.1536 相关知识点: 试题来源: 解析 B。正好两次增加的概率为 C(4, 2) × 0.6²...
What is the probability that a number picked from the set { 4, 3, 2, 1, 0, 1, 2, 3, 4, 5} will be a solution of 2x+5>1? 1. 20% 2. 30% 3. 70% 4. 80% Probability of Picking a Number: An event is an...
The success rate of a new marketing strategy is 0.4. What is the probability that in the next six attempts, the strategy will succeed at least four times? A. 0.1852 B. 0.3174 C. 0.0467 D. 0.6826 相关知识点: 试题来源: 解析 B。至少四次包括四次、五次、六次。四次的概率为 C(6, 4)...
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 。