> 英语 >
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)_________(b)__________
人气:187 ℃ 时间:2020-10-01 08:36:35
解答
(a)8(b)2.45
推荐
猜你喜欢
© 2026 79432.Com All Rights Reserved.
电脑版|手机版