Mathematics, 09.04.2020 19:33, poohnia
In 1982 Abby’s mother scored at the 93rd percentile in the math SAT exam. In 1982 the mean score was 503 and the variance of the scores was 9604. In 2008 Abby took the math SAT and got the same numerical score as her mother had received 26 years before. In 2008 the mean score was 521 and the variance of the scores was 10,201. Math SAT scores are normally distributed.
Calculuate the percentile for Abby's score.
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In 1982 Abby’s mother scored at the 93rd percentile in the math SAT exam. In 1982 the mean score was...
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