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(Solved): One major test of readiness for college is the ACT exam. ACT scores are reported on a scale from 1 t ...



One major test of readiness for college is the ACT exam. ACT scores are reported on a scale from 1 to 30. The distribution of ACT scores for more than 1 million students in a recent high school graduating class was roughtly normal with a mean of 20.8 and a standard deviation of 4.8. Above what ACT score are 10% of all scores?
Select one:

(a) 15
(b) 16
(c) 28
(d) 27
(e) 20

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Given data,
Mean,    = 20.8
Standard deviation,   = 4.8
To find:
Score where Above it 10% of all scores ...
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