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Juan took a Statistics exam and earned a 90%. If the exam scores are normally distributed with a mean = 75% and SD = 10%,
Juan took a Statistics exam and earned a 90%. If the exam scores are normally distributed with a mean = 75% and SD = 10%, what is Juan's z score?
+9.00
+3.00
+1.50
+7.50
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Big Ideas Math A Common Core Curriculum Blue
Authors: Ron Larson, Laurie Boswell
1st Edition
1608402282, 978-1608402281
