Mathematics

Mathematics, 27.07.2019 11:00, alexianunez15

Scores on a standardized test are normally distributed find percentage

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Mathematics, 09.07.2019 15:00, edjiejwi

Need asap for 70pts a certain standardized test's math scores have a bell-shaped distribution with a mean of 515 and a standard deviation of 110. complete parts (a) through (c). (a) what percentage of standardized test scores is between 185 and 845? nothing% (round to one decimal place as needed.) (b) what percentage of standardized test scores is less than 185 or greater than 845? nothing% (round to one decimal place as needed.) (c) what percentage of standardized test scores is greater than 735? nothing% (round to one decimal place as needed.)

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Mathematics, 26.07.2019 01:40, bncook

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.)

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Mathematics, 26.08.2019 21:30, txayrion

Assume that a set of test scores is normally distributed with a mean of 120120 and a standard deviation of 1010. use the 68-95-99.7 rule to find the following quantities. suggest you make a drawing and label first. a. percentage of scores less than 100b. relative frequency of scores less than 120c. percentage of scores less than 140d. percentage of scores less than 80e. relative frequency of scores less than 60f. percentage of scores greater than 120

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Mathematics, 08.10.2019 05:00, Bryanguzman2004

Acertain standardized test's math scores have a bell-shaped distribution with a mean of 520 and a standard deviation of 110. complete parts (a) through (c). (a) what percentage of standardized test scores is between 190 and 850? (round to one decimal place as needed.) (b) what percentage of standardized test scores is less than 190 or greater than 850? (round to one decimal place as needed.) (c) what percentage of standardized test scores is greater than 740? (round to one decimal place as needed.)

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