19. The area of the square is half the area of the rectangle. Find x. 2(x+4)
1 answer:
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Answer:
<h2>47.9</h2>Step-by-step explanation:
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<u>Answer:</u>
The Ranking Percentile is (B) 97.5%
<u>Explanation :</u>
To find the percentile rank we need to find the z- score. After finding the z-score match this value with the corresponding value in z-score table.
Formula to find the z-score
Z-score=
Substituting the values in the above equation, we find
Z-score= =2
So, the Z-score is +2
Now, the corresponding value of Z-score 2 in the table is 0.9772
or the percentile score is 97.72 ~ 97.5 .