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Adriana scores 610 on the math portion of her SAT'S. If the mean score is 580 with a standard deviation of 115,what percentile is Adriana's SAT score?a

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SOLUTION

Given the question in the image, the following are the solution steps to answer the question.

STEP 1: Write the given details

[tex]\mu=580,\sigma=115,score(x)=610[/tex]

STEP 2: Find the z-score

[tex]\begin{gathered} z=\frac{x-\mu}{\sigma} \\ z=\frac{610-580}{115}=\frac{30}{115}=0.260869565 \end{gathered}[/tex]

STEP 3: Find the proportion

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