Q.2 Erhe average grade for an exam is 74, and the standard deviation is 7. If 12% of the class is given "A", and the grades are curved to follow a normal distribution, what is the lowest possible A and the highest possible B?
Q.2 Erhe average grade for an exam is 74, and the standard deviation is 7. If 12% of the class is given "A", and the grades are curved to follow a normal distribution, what is the lowest possible A and the highest possible B?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
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![Q.2
Erhe average grade for an exam is 74, and the standard deviation is 7. If 12% of
the class is given "A", and the grades are curved to follow a normal distribution, what is the
lowest possible A and the highest possible B?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F14140cee-7f7e-4bf8-98ca-6052170fb46c%2F1cb0f949-551d-4b0d-9df8-e19158f4f79b%2F18fyzm9_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q.2
Erhe average grade for an exam is 74, and the standard deviation is 7. If 12% of
the class is given "A", and the grades are curved to follow a normal distribution, what is the
lowest possible A and the highest possible B?
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