Scores on the ACT college entrance exam follow a bell-shaped distribution with mean 18 and standard deviation

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Scores on the ACT college entrance exam follow a bell-shaped distribution with mean 18 and standard deviation 6. Wayne’s standardized score on the ACT was −0.5. What was Wayne’s actual ACT score?

(a) 5.5

(b) 12

(c) 15

(d) 17.5

(e) 21

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The Practice Of Statistics

ISBN: 9781464108730

5th Edition

Authors: Daren S. Starnes, Josh Tabor

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