有关概率的英文题A population consists of three numbers 5,8,11.Consider all possible samples size two which can be drawn with replacement from population.Find (a) the mean of the population,(b) the standard deviation of the population(a)______

有关概率的英文题A population consists of three numbers 5,8,11.Consider all possible samples size two which can be drawn with replacement from population.Find (a) the mean of the population,(b) the standard deviation of the population(a)______ 一道数学建模题,英文的.Sociologists recognize a phenomenon called social diffusion,which is the spreading of a piece of information,a technological innovation,or a cultural fad amongst a population.The members of the population can be divide 一道与条件概率有关的题, 跟概率有关的 有关概率的 英文版的数学概率题 the population of 和 a population of 的用the population of 和 a population of 的用法和区别是什么~ 英文概率题, 英文概率题, a population of 和the population of 的区别,这两怎么用? 区分a population of/the population of 有关概率公式有关概率的公式本人有点疑惑.1：是不是概率公式首先要看它的,比如A和B,是否独立?然后在根据公式P（A和B交集）=P（A）+P（B）- P（A和B并集）2：有些概率题涉及到,不是A也不是B 有关人类遗传病概率计算的题~越多越好~ have a population of 求助一道有关随机事件的概率题已知AB=A拔B拔 求P(AB) 关于概率的英文数学题 population用什么修饰做了一个题,他用的more修饰,population能用more吗 a population of 与populations of的区别RT