Mathematics, 10.03.2020 04:48 u8p4
Last week Sarah had exams in math and in Spanish. On the math exam, the mean was µ = 40 with σ = 5, and Sarah had a score of X = 45. On the Spanish exam, the mean was µ = 60 with σ = 8, and Sarah had a score of X = 68. For which class should Sara expect the better grade?
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