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题目内容
Each of the eight faces of an octahedron is labeled with a different number form 1 to 8. The octahedron was rolled 36 times, and the results are shown in the graph above, where the "Number Rolled" is the number on the top face of the octahedron after it was rolled. If the octahedron is to be rolled 4 additional times, what is the greatest possible value of the average (arithmetic mean) of the 40 number rolled?
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· 相关考点
5.2.1 平均值 1.1.3 和固定条件下求最大/最小值
5.2.1 平均值
以上解析由 考满分老师提供。