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Mathematics, 02.03.2021 20:50 miathegreat
Scores on a national math test are Normally distributed, with a mean score of 490 and a standard deviation of 50. Which test score represents the top 20%, rounded to the nearest whole number?
Find the z-table here.
426
448
532
554
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Answers: 2
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Scores on a national math test are Normally distributed, with a mean score of 490 and a standard dev...
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