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Mathematics 8 Online
OpenStudy (anonymous):

Need some quick help if possible! The number of hours college students spend working per week has a normal distribution with a mean of 18 hours and standard deviation of 6 hours. Determine the percent of college students who work between 12 and 24 hours per week

OpenStudy (tkhunny):

1 Standard deviation each way. Empirical rule says 68% Where were you struggling?

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