SOLUTION: The mean grade on an examination was 72. and the standard deviation was 9.
The top 10% of students are to receive A's.
What is the minimum grade a student must get in order to re
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Question 956902: The mean grade on an examination was 72. and the standard deviation was 9.
The top 10% of students are to receive A's.
What is the minimum grade a student must get in order to receive an A?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Find the z score that corresponds to a probability of 0.9.
That will be the min score to receive an A.
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