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Scores on the SAT form a normal distribution with u = 500 and o=100. a) What is the minimum score necessary to be in the top 15% of the SAT distribution? b) Find the range of values that defines the middle 80% of the distribution of SAT scores.

Scores on the SAT form a normal distribution with u = 500 and o=100. a) What is the minimum score necessary to be in the top 15% of the SAT distribution? b) Find the range of values that defines the middle 80% of the distribution of SAT scores.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Problem 1RQ
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Scores on the SAT form a normal distribution with u = 500 and o=100. a) What is the minimum score necessary to be in the top 15% of the SAT distribution? b) Find the range of values that defines the middle 80% of the distribution of SAT scores.
Transcribed Image Text:Scores on the SAT form a normal distribution with u = 500 and o=100. a) What is the minimum score necessary to be in the top 15% of the SAT distribution? b) Find the range of values that defines the middle 80% of the distribution of SAT scores.
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