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Mathematics, 14.07.2020 21:01 JAYDENJONES0111
Two thousand students took an exam. The scores on the exam have an approximate normal distribution with a mean of μ=81 points and a standard deviation of σ=5 points. The middle 50% of the exam scores are between what two values?
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Two thousand students took an exam. The scores on the exam have an approximate normal distribution w...
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