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Mathematics, 23.09.2021 20:30 breashaeeboo1813

Raw scores on standardized tests are often transformed for easier comparison. A test of reading ability has a mean of 75 and a standard deviation of 10 when given to third-graders. Sixth-graders have a mean score of 82 and a standard deviation of 11 on the same test. What percent of sixth-graders earn a score of at least 93 on the reading test?

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