The SAT this year has a mean of 500 and a standard deviation of 50. What percen

Mathematics
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The SAT this year has a mean of 500 and a standard deviation of 50.  What percent of students scored between 400 and 600?

Jun 22nd, 2015

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Jun 22nd, 2015

The SAT this year has a mean of 500 and a standard deviation of 50.  What percent of students scored between 400 and 600?

Jun 22nd, 2015
Amanda earned a score of 940 on a national achievement test that was normally distributed. The mean test score was 850 with a standard deviation of 100. What proportion of students had a higher score than Amanda? Use your z table.


Jun 22nd, 2015

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Jun 22nd, 2015
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Jun 22nd, 2015
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