In a data set of test scores, the mean score is 80 and the standard deviation is 10. If a student's score is 90, the probability of getting a score higher than this is ___. A. 成平机北建争有报并记交我之成平机北建争有报并记交我之0.1587成平机北建争有报并记交我之成平机北...
Consider a normal distribution with mean μ = 50 and standard deviation σ = 10. What is the probability that a randomly selected value is between 40 and 60? A. 0.6826 B. 0.9544 C. 0.8185 D. 0.7257 相关知识点: 试题来源: 解析 A。本题考查正态分布的概率计算。通过标准化,计算 Z1 = (...
The meaning of STANDARD is a conspicuous object (such as a banner) formerly carried at the top of a pole and used to mark a rallying point especially in battle or to serve as an emblem. How to use standard in a sentence. Synonym Discussion of Standard.
The meaning of STANDARD is a conspicuous object (such as a banner) formerly carried at the top of a pole and used to mark a rallying point especially in battle or to serve as an emblem. How to use standard in a sentence. Synonym Discussion of Standard.
If X is a normal random variable with a standard deviation of 10, then 3X has a standard deviation equal to: A. 10. B. 13. C. 30. D. 90. 点击查看答案 你可能感兴趣的试题 问答题小麦原种是指用育种家种子繁殖的第[填空1]代至第[填空2]代,并经确认达到规定质量要求的种子。 点击查看答案...
Here is a sample run: Enter 10 numbers: 1 2 3 4.5 5.6 6 7 8 9 10 The mean is 5.61 The standard deviation is 2.99794 下面是参考答案代码: import java.util.*; public class ComputeMeanAndStandardDeviationQuestion45 { public static void main(String[] args) { ...
a现在的气温是多少? How many is the present temperature?[translate] ain shops and buses and at home. in shops and buses and at home.[translate] adocumented in section 6.3,suggests a standard deviation of +10% at best 提供在第6.3部分,建议标准偏差+10%最好[translate]...
aA person to live,a person also can happy. 人也居住的,人罐头愉快。[translate] abacktesting requirements backtesting的要求[translate] a83 375 000 83 375 000[translate] astandard deviation is presented in Table 1. 标准偏差在表1被提出。[translate]...
Think about what you have learned about Standard Deviation: it is the way the numbers in a list are organized around the average. For example, if you’re given an average of 10 and a standard deviation of 2, you know that most numbers are organized in the range o f 8-12, or 6-...
Standard deviation is the spread of a group of numbers from the mean. The variance measures the average degree to which each point differs from the mean. While standard deviation is the square root of the variance, variance is the average of the squared difference of each data point from th...