In a large section of a statistics class, the points for the final exam are normally distributed,

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In a large section of a statistics class, the points for the final exam are normally distributed, with a mean of 72 and a standard deviation of 9. Grades are assigned according to the following rule.

• The top 10% receive A’s.

• The next 20% receive B’s.

• The middle 40% receive C’s.

• The next 20% receive D’s.

• The bottom 10% receive F’s.

Find the lowest score on the final exam that would qualify a student for an A, a B, a C, and a D.

Final Exam Grades

In a large section of a statistics class, the points

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Elementary Statistics Picturing The World

ISBN: 9780321911216

6th Edition

Authors: Ron Larson, Betsy Farber

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Question Posted: Nov 24, 2015 07:18 AM

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In a large section of a statistics class, the points for the final exam are normally distributed,

Question:

40% 20%/ -20% 10% 1 0% DCB A Points scored on final exam

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A Top 10 Area 090 z 12816 using technology x z 72 128169 8353 ...View the full answer

Elementary Statistics Picturing The World

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