百度试题 结果1 题目What is the coefficient of the a^5 term in the expansion of (a+b)^(10)? ( ) A. 252 B. 126 C. 210 D. 462 E. 120 相关知识点: 试题来源: 解析 A 反馈 收藏
百度试题 题目What is the coefficient of variation for a distribution with a mean of 10 and a variance of 4? A. 20%. B. 40%. C. 25%. 相关知识点: 试题来源: 解析 A 略 反馈 收藏
百度试题 结果1 题目What is the coefficient of x1 in the complete expansion of (x+1)20( ).A.400B.20C.19D.1 相关知识点: 试题来源: 解析 B 反馈 收藏
a我的生日在下星期二!我真开心啊。在我过生日的时候,希望大家默默祝福我。 My birthday on next Tuesday! I really happy.Celebrates a birthday in me, hoped everybody prays for heavenly blessing me silently.[translate] awhat is the leading coefficient of each polynomial 什么是多项的其中每一的主导的...
正确答案:A 分享到: 答案解析: Coefficient of variation, CV = standard deviation / mean. The standard deviation is the square root of the variance, or 4½ = 2. So, CV = 2 / 10 = 20%. 统计:共计66人答过,平均正确率62.12% 问题:进入高顿部落发帖帮助相似...
What is the value of the coefficient of determination?[单选题] A. 0.8261. B. 0.7436. C. 0.8623. 相关知识点: 试题来源: 解析 B 正确答案:B答案解析:B is correct. The coefficient of determination is the same as R-squared.反馈 收藏 ...
相关知识点: 试题来源: 解析 A。在方程中,“coefficient”指的是与变量相乘的数字,即“系数”,B 选项“常数”是不与变量相乘的固定值;C 选项“未知数”通常指的是 x 这样的变量;D 选项“等式”是整个方程的表述,不是“coefficient”的意思。反馈 收藏 ...
What is the coefficient of the second term (b) on the right-hand side of the equation (4a + 5)^2 = 16a^2 + ba + 25?Solving Equations:In order to solve an equation, it is important that we know how to manipulate the equation using...
Definition of Coefficient of Correlation In simple linear regression analysis, the coefficient of correlation (or correlation coefficient) is a statistic which indicates an association between the independent variable and the dependent variable. The coefficient of correlation is represented by “r” and ...
What is the significance of the coefficient of friction in mechanical engineering?相关知识点: 试题来源: 解析 The coefficient of friction is a measure of the resistance to motion between two surfaces in contact and is crucial in determining the amount of ...