The Normal Distribution

Mathematics
Tutor: None Selected Time limit: 1 Day

On a standardized national exam, the mean score was 109.7 and the standard deviation was 6.3. What percentage of the students scored less than 109.7?

Jun 14th, 2015

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mean score=109.7

standard deviation=6.3


6.3 x 100/109.7

=5.75%


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Jun 14th, 2015

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