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Standard deviations above the? mean

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Reference no: EM131660331

In a set of 110 ACT? scores, where the mean is 22 and the standard deviation is 6.086.08?, ?(a) how many scores are expected to be lower than 15.92 ?(one standard deviation below the? mean)?

(b) How many of the 110 scores are expected to be below 34.16 ?(two standard deviations above the? mean)?

Reference no: EM131660331

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