A certain standardized test's math scores have a bell-shaped distribution with a mean of 525 and a standard deviation of 114. Complete parts (a) through (c). (a) What percentage of standardized test...


A certain standardized test's math scores have a bell-shaped distribution with a mean of 525 and a standard deviation<br>of 114. Complete parts (a) through (c).<br>(a) What percentage of standardized test scores is between 183 and 867?<br>% (Round to one decimal place as needed.)<br>(b) What percentage of standardized test scores is less than 183 or greater than 867?<br>% (Round to one decimal place as needed.)<br>(c) What percentage of standardized test scores is greater than 753?<br>% (Round to one decimal place as needed.)<br>

Extracted text: A certain standardized test's math scores have a bell-shaped distribution with a mean of 525 and a standard deviation of 114. Complete parts (a) through (c). (a) What percentage of standardized test scores is between 183 and 867? % (Round to one decimal place as needed.) (b) What percentage of standardized test scores is less than 183 or greater than 867? % (Round to one decimal place as needed.) (c) What percentage of standardized test scores is greater than 753? % (Round to one decimal place as needed.)

Jun 09, 2022
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