In a normal distribution,68% of the scores lie within one st

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/10/04 16:19:34

In a normal distribution,68% of the scores lie within one standard deviation of the mean.If the SAT scores of all the high school juniors in Center City followed a normal distribution with a mean of 500 and a standard deviation of 100,abd if 10,200 students scored between 400 and 500,approximatedly how many students scored above 600?

在一个正常的分布,的分数68%是一个平均值的标准偏差.如果SAT考试的所有高中生在中心城市后的平均值为500,标准差为100的正态分布,而如果10200的学生取得了400和500之间,大约有多少学生得分高于600?
再问：谢谢了，其实题目我还是基本看得懂，但是神马标准偏差的，正态分布的，忘了，能细讲下解题思路吗
再答：我还没有学，只能把题目翻译了

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