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Percentage of standardized test scores

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Reference no: EM131397324

A certain standardized test's math scores have a bell-shaped distribution with a mean of 525 and a standard deviation of 105 .

(a) What percentage of standardized test scores is between 210 and 840?

Reference no: EM131397324

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Percentage of standardized test scores : A certain standardized test's math scores have a bell-shaped distribution with a mean of 525 and a standard deviation of 105. (a) What percentage of standardized test scores is between 210 and 840?
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