Scores on a test have a mean of 70 and $Q _ { 3 }$ is 83 . The scores have a distribution that is approximately normal. Find $P _ { 90 }$ (You will need to first find the standard deviation.)
A) 92.9
B) 93.7
C) 95.6
D) 94.8

Question

Scores on a test have a mean of 70 and $Q _ { 3 }$   is 83 . The scores have a distribution that is approximately normal. Find $P _ { 90 }$ (You will need to first find the standard deviation.)
A)  92.9 
B)  93.7 
C)  95.6 
D)  94.8

Quizplus · Accepted Answer

The Answer of Scores on a test have a mean of 70 and $Q _ { 3 }$   is 83 . The scores have a distribution that is approximately normal. Find $P _ { 90 }$ (You will need to first find the standard deviation.)
A)  92.9 
B)  93.7 
C)  95.6 
D)  94.8

Scores on a Test Have a Mean of 70 And Q