Mathematics, 13.07.2020 19:01 michaeladkins1979

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? Use a TI-83, TI-83 plus, or TI-84 calculator, and round your answers to the nearest integer.

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