From Past History, the Scores on a Statistics Test Are

question 111

Multiple Choice

From past history, the scores on a statistics test are normally distributed with a mean of 70% and a standard deviation of 5%. To earn a "B" on the test, a student must be in the top 15% of the class. What should a student score to receive a "B"?

• A) 77.21
• B) 75.49
• C) 81.48
• D) 76.90
• E) None of the choices are correct

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