[Solved] Acertain standardized test's math scores

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Acertain standardized test's math scores have a bell-shaped distribution with a mean of 515and a standard deviation of 119 a) What percentage of standardized test

Acertain standardized test's math scores have a bell-shaped distribution with a mean of 515and a standard deviation of 119

a) What percentage of standardized test scores is between 396 and 634

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