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题目来源1 : 2023年04月GRE机经
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The figure shows a normal distribution with mean m and standard deviation d, including approximate percents of the distribution corresponding to the six regions shown.
The discrete random variable V is approximately normally distributed with a mean of 500 and a standard deviation of 100. If 10,200 of the values of V are between 500 and 600, what is the best estimate of the number of values of V that are less than 400?
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5.3.2 正态分布
5.3.2 正态分布
以上解析由 考满分老师提供。
