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The number of hours per day a college student spends on

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The number of hours per day a college student spends on homework has a mean of 6 hours and a standard deviation of 1.25 hours. Yesterday she spent 3 hours on homework. How many standard deviations from the mean is that?

A) 1.20 standard deviations above the mean

B) 2.40 standard deviations above the mean

C) 2.40 standard deviations below the mean

D) 1.20 standard deviations below the mean

Reference no: EM13626115

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