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ACT test scores are approximately normally distributed. Last year, the scores had a mean...
Mathematics, 26.08.2021 02:10, loveworld3798
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ACT test scores are approximately normally distributed. Last year, the scores had a mean of 21 and a standard deviation of 3.4. What is the range
of scores that encompassed 95% of all the scores?
10.8 to 31.2
14.2 to 31.2
10.6 to 24.4
14.2 to 27.8
17.6 to 24.4
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Answers: 2
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