Solve the Problem $\mathrm { Q } _ { 3 }$

question 90

Multiple Choice

Solve the problem.
-Scores on a test have a mean of 70 and $\mathrm { Q } _ { 3 }$ is 83. The scores have a distribution that is approximately normal. Find P90. (You will need to first find the standard deviation.)

• A) 93.7
• B) 95.6
• C) 94.8
• D) 92.9

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Definitions:

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