Regents High School Examination - Algebra 2/trigonometry Answers - The University Of The State Of New York, 2011 Page 13
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2229 In a study of 82 video game players, the researchers found that the ages of these players were
normally distributed, with a mean age of 17 years and a standard deviation of 3 years. Determine
if there were 15 video game players in this study over the age of 20. Justify your answer.
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Algebra 2frrigonometry - June '11
[13]
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