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Mathematics, 19.05.2020 13:57 michellelirett
ACT scores are normally distributed and from 2015 to 2017, the mean was 20.9 with a standard deviation of 5.6. A perfect score is 36. What percentage of the testers scored a perfect score?
Question 4 options:
0.46%
0.35%
99.65%
99.64%
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ACT scores are normally distributed and from 2015 to 2017, the mean was 20.9 with a standard deviati...
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