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  【QUESTION21:Supposeanormallydistributedpopulationhasameanandastandarddeviationof.Givethez-scorescorrespondingtotherawscoresof:(a)x=950(b)x=3501.Interpretthez-scores.2.Findtheareaunderthenormalcurvebetweenthemeanand】

  QUESTION21:

  Supposeanormallydistributedpopulationhasameanandastandarddeviationof.Givethez-scorescorrespondingtotherawscoresof:

  (a)x=950(b)x=350

  1.Interpretthez-scores.

  2.Findtheareaunderthenormalcurvebetweenthemeanandthez-scorein(a).

  3.Findtheareaunderthenormalcurvebetweenthemeanandthez-scorein(b).

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2020-08-0617:14
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陆芸婷

  问题21:

  假设一个正态分布的母体具有均值_及标准偏差_.令z比分数与以下原始比分数相当:

  (a)x=950(b)x=350

  1.解析z比分数

  2.求(a)状况时在正态分布曲线下均值与z比分数之间的面积

  3.求(b)状况时在正态分布曲线下均值与z比分数之间的面积

2020-08-06 17:17:14
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