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Last week Kellen had exams in math and in science. On the math exam, the mean was μ = 40 with σ = 5, and Kellen had a score of X = 45. On the science exam, the mean was μ = 60 with σ = 8, and Kellen had a score of X = 68. For which class should Kellen expect the better grade?

Reference no: EM131258033

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