Acertain standardized test's math scores have a bell-shaped distribution with a mean of 525525 and a standard deviation of 114114. complete parts (a) through (c). (a) what percentage of standardized test scores is between 183183 and 867867? 99.799.7% (round to one decimal place as needed.) (b) what percentage of standardized test scores is less than 183183 or greater than 867867? . 3.3% (round to one decimal place as needed.) (c) what percentage of standardized test scores is greater than 753753? nothing% (round to one decimal place as needed.)