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Mathematics, 28.09.2019 09:30 sharondot8523
The scores of high school seniors on the act college entrance examination in a recent year had mean î¼ = 20.8 and standard deviation ï = 4.8. the distribution of scores is only roughly normal. (a) what is the approximate probability that a single student randomly chosen from all those taking the test scores 21 or higher? (r
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