Mathematics, 03.02.2020 23:50 maukjackie1974
Acertain standardized test's math scores have a bell-shaped distribution with a mean of 525 and a standard deviation of 110.
(a) what percentage of standardized test scores is between 415 and 635?
nothing% (round to one decimal place as needed.)
(b) what percentage of standardized test scores is less than 415 or greater than 635?
nothing% (round to one decimal place as needed.)
(c) what percentage of standardized test scores is greater than 745?
nothing% (round to one decimal place as needed.)
Answers: 2
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Acertain standardized test's math scores have a bell-shaped distribution with a mean of 525 and a st...
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