百度试题 题目For a normal distribution, what approximate percentage of the observations fall within ±3 standard deviation of the mean? A. 66%. B. 95%. C. 99%. 相关知识点: 试题来源: 解析 C 略 反馈 收藏
百度试题 结果1 题目Theoretically, the mean, median, and mode are all equal for a normal distribution.相关知识点: 试题来源: 解析 正确 反馈 收藏
For a normal distribution, what approximate percentage of the observations fall within ±3 standard deviation of the mean?A. 66%.B. 95%.C. 99%. 正确答案:C 分享到: 答案解析: For normal distributions, approximately 99% of the observations fall within ±3 standard deviations of the mean. ...
For a normal distribution with {eq}\displaystyle \mu = 200 {/eq} and {eq}\displaystyle \partial = 50 {/eq}, what {eq}\displaystyle \rm X {/eq} value from the boundaries for the middle {eq}\displaystyle 60 \% {/eq} of the...
Question: For a normal distribution that has a mean of 100 and a standard deviation of 8, what is the z-score for x = 112? Z-Score: Z-scores are measures of how far specific data points are compared to the mean of the distribution that the data...
The results of six series of 18 to 30 similar fatigue tests on three types of specimens are used to check the applicability of the normal distribution function and the three-parameter Weibull distribution function. A least-square procedure is adopted to obtain the three parameters of the Weibull...
aThis measure is exactly the same as that used for value-at-risk calculations. For a normal distribution, it is defined by a point a certain number of standard deviations away from the mean: 这项措施确切地是相同象用于价值在风险演算的那。 为正常分配,它是由点定义的一定数量的标准偏差从手段:...
百度试题 题目For any normal distribution, any value less than the mean would have a ___.相关知识点: 试题来源: 解析 negative z-score 反馈 收藏
For any normal distribution, any value less than the mean would have a ___.A.positive z-score B.negative z-score C. negative variance D.negative probability of occurring点击查看答案&解析 手机看题 你可能感兴趣的试题 单项选择题 开闭所设置在大宗负荷、车站附近,其作用为:() A.提高输电距离...
surprising ways. One instance of this is the application of an idea from calculus to thebell curve. A tool in calculus known as the derivative is used to answer the following question. Where are the inflection points on the graph of the probability density function for the normaldistribution?