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题目内容双击单词支持查询和收藏哦～
The scores for the 500 students who took Ms. Johnson's final exam had a normal distribution. There were 80 students who scored at least 92 points out of a possible 100 total points and 10 students who scored at or below 56.
Quantity A
The mean score on the final exam
Quantity B
87
B显示答案
以上解析由 考满分老师提供。
