mean and standard deviation


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6A.) On a Hogwarts Potions exam was normally distributed with a mean score was a 62 and the standard deviation was 12. If professor snape decides that the lowest 15% of scores will fail the exam, what will the cut off score be? please show all work and how you got the anwser :) Mar 26 2012 10:03 PM


Solution ID:609032 | This paper was updated on 26-Nov-2015

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