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
Algebra ->
Probability-and-statistics
-> 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
Log On
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.