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Mathematics, 17.01.2020 23:31 Itsyourgirllulu
Scores on an exam follow an approximately bell shaped distribution with a mean of 76.4 and a standard deviation of 6.1 points. approximately, what percentage of the data is between 64.2 points and 88.6 points?
a) 68%
b) 95%
c) 99.7%
d) 50%
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Scores on an exam follow an approximately bell shaped distribution with a mean of 76.4 and a standar...
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