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Mathematics, 12.12.2020 17:00 xcoder3957

On a nationwide test taken by high school students, the mean score was 46 and the standard deviation was 13. The scores were normally distributed. Complete the following statements. (a) Approximately % of the student scored between 20 and 72.
(b) Approximately 99.7% of the students scored between __ and ___.

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On a nationwide test taken by high school students, the mean score was 46 and the standard deviation...
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