Mathematics, 29.07.2019 19:10 sacoyia27

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? round your answer to two decimal places. a.

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The number of hours per day a college student spends on homework has a mean of 6 hours and a standar...