作业帮gre 提问 有人么 The figure above shows the standard normal distri
来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/08/31 03:18:43
gre 提问 有人么 The figure above shows the standard normal distribution,with mean 0 and
The figure above shows the standard normal distribution,with mean 0 and
standard deviation 1,including approximate percents of the distribution
corresponding to the six regions shown.
The random variable Y is normally distributed with a mean of 470,and the value
Y = 340 is at the 15th percentile of the distribution.Of the following,which is the
best estimate of the standard deviation of the distribution?
The figure above shows the standard normal distribution,with mean 0 and
standard deviation 1,including approximate percents of the distribution
corresponding to the six regions shown.
The random variable Y is normally distributed with a mean of 470,and the value
Y = 340 is at the 15th percentile of the distribution.Of the following,which is the
best estimate of the standard deviation of the distribution?
上图所示为标准正态分布,均值为0,
标准偏差1,包括对应所示六个区域分布近似百分比 .
随机变量Y服从正态分布,均值为470,值
Y =340 位于分布的第15百分位.以下哪一个是该
分布的标准偏差最佳估计值?
再问： 125是答案~请问下是怎么选出来的
标准偏差1,包括对应所示六个区域分布近似百分比 .
随机变量Y服从正态分布,均值为470,值
Y =340 位于分布的第15百分位.以下哪一个是该
分布的标准偏差最佳估计值?
再问： 125是答案~请问下是怎么选出来的
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