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The weights of 80,000 fish are approximately normally distributed with a mean of 12.5 ounces and a standard deviation of 4.2 ounces. Approximately what percent of the 80,000 fish have weights between 16.7 and 20.9 ounces?
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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。
