SOLUTION: 1. In order to be accepted into a special class, a student must score inn the top 71/2 %on an aptitude test. If the mean is 150and standard deviation is 15, what is the lowest pos

SOLUTION: 1. In order to be accepted into a special class, a student must score inn the top 71/2 %on an aptitude test. If the mean is 150and standard deviation is 15, what is the lowest pos

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Question 1152777: 1. In order to be accepted into a special class, a student must score inn the top 71/2 %on an aptitude test. If the mean is 150and standard deviation is 15, what is the lowest possible score a student can make to be accepted?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
Can use inverse norm on calculator
or find z value for 92.5 percentile, which is 1.44
z=(x-mean)/sd
1.435=x-150/15
21.6=x-150
x=171.6

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