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OpenStudy (broodyfour):
I hope I'm in the right section now, I tried this already and hoping I did it correctly: The composite scores in a statistics course have a normal distribution with a mean of 68 and a standard deviation of 8. If a teacher decides to give the top 15% of the students an A grade, what is the lowest grade needed for an A? I did it this way 68-.15*8=66.8
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