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A certain standardized test's math scores have a bell-shaped distribution with a mean of 515 and a standard deviation of 114. Complete parts (a) through

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A certain standardized test's math scores have a bell-shaped distribution with a mean of 515 and a standard deviation of 114. Complete parts (a) through (c). (a) What percentage of standardized test scores is between 401 and 629? D% {Round to one decimal place as needed.)

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