题目来源
题目来源1 : 2021年7月全球GRE机经题
题目来源2 : 考满分独家2021年GRE数学真题模考
题目来源3 : 2022年11月GRE机经
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难度：2
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The figure shows the standard normal distribution with probabilities, rounded to the nearest 0.01, indicated for six intervals.
The number of available vacation hours for 700 employees of a certain company is approximately normally distributed, with a mean of 80 hours and a standard deviation of 16 hours. According to the figure shown, approximately what percent of the 700 employees have less than 48 available vacation hours?
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· 相关考点
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。
